Home / 42,792,819.72-64,191,892.25-15,499,348.89

Finding the Fourth Proportional to 42,792,819.72, 64,191,892.25 and 15,499,348.89

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Solution

The fourth proportional to 42,792,819.72, 64,191,892.25 and 15,499,348.89 is: 23,249,987.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,792,819.72 : 64,191,892.25 = 15,499,348.89 : x
  2. Step 2: Convert to fraction form
    42,792,819.72/64,191,892.25 = 15,499,348.89/x
  3. Step 3: Cross multiply
    42,792,819.72x = 64,191,892.25 × 15,499,348.89
  4. Step 4: Simplify right side
    42,792,819.72x = 994,932,533,602,882.12
  5. Step 5: Solve for x
    x = 994,932,533,602,882.12/42,792,819.72
  6. Step 6: Final answer
    x = 23,249,987.74

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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.