Home / 22,428,028.95-33,642,043.43-18,442,221.45

Finding the Fourth Proportional to 22,428,028.95, 33,642,043.43 and 18,442,221.45

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Solution

The fourth proportional to 22,428,028.95, 33,642,043.43 and 18,442,221.45 is: 27,663,332.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,428,028.95 : 33,642,043.43 = 18,442,221.45 : x
  2. Step 2: Convert to fraction form
    22,428,028.95/33,642,043.43 = 18,442,221.45/x
  3. Step 3: Cross multiply
    22,428,028.95x = 33,642,043.43 × 18,442,221.45
  4. Step 4: Simplify right side
    22,428,028.95x = 620,434,014,966,577.50
  5. Step 5: Solve for x
    x = 620,434,014,966,577.50/22,428,028.95
  6. Step 6: Final answer
    x = 27,663,332.18

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Half scale
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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.