Home / 42,003,785.40-62,934,819.30-20,391,851.40

Finding the Fourth Proportional to 42,003,785.40, 62,934,819.30 and 20,391,851.40

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Solution

The fourth proportional to 42,003,785.40, 62,934,819.30 and 20,391,851.40 is: 30,553,376.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,003,785.40 : 62,934,819.30 = 20,391,851.40 : x
  2. Step 2: Convert to fraction form
    42,003,785.40/62,934,819.30 = 20,391,851.40/x
  3. Step 3: Cross multiply
    42,003,785.40x = 62,934,819.30 × 20,391,851.40
  4. Step 4: Simplify right side
    42,003,785.40x = 1,283,357,483,051,451.75
  5. Step 5: Solve for x
    x = 1,283,357,483,051,451.75/42,003,785.40
  6. Step 6: Final answer
    x = 30,553,376.82

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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.