Home / 22,428,015.70-33,642,023.55-18,442,208.20

Finding the Fourth Proportional to 22,428,015.70, 33,642,023.55 and 18,442,208.20

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Solution

The fourth proportional to 22,428,015.70, 33,642,023.55 and 18,442,208.20 is: 27,663,312.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,428,015.70 : 33,642,023.55 = 18,442,208.20 : x
  2. Step 2: Convert to fraction form
    22,428,015.70/33,642,023.55 = 18,442,208.20/x
  3. Step 3: Cross multiply
    22,428,015.70x = 33,642,023.55 × 18,442,208.20
  4. Step 4: Simplify right side
    22,428,015.70x = 620,433,202,578,403
  5. Step 5: Solve for x
    x = 620,433,202,578,403/22,428,015.70
  6. Step 6: Final answer
    x = 27,663,312.30

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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.