Home / 22,143,699.40-33,215,549.10-12,418,329.10

Finding the Fourth Proportional to 22,143,699.40, 33,215,549.10 and 12,418,329.10

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Solution

The fourth proportional to 22,143,699.40, 33,215,549.10 and 12,418,329.10 is: 18,627,493.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,143,699.40 : 33,215,549.10 = 12,418,329.10 : x
  2. Step 2: Convert to fraction form
    22,143,699.40/33,215,549.10 = 12,418,329.10/x
  3. Step 3: Cross multiply
    22,143,699.40x = 33,215,549.10 × 12,418,329.10
  4. Step 4: Simplify right side
    22,143,699.40x = 412,481,619,961,008.81
  5. Step 5: Solve for x
    x = 412,481,619,961,008.81/22,143,699.40
  6. Step 6: Final answer
    x = 18,627,493.65

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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.