Home / 25,312,418.28-34,931,122.02-13,709,978.28

Finding the Fourth Proportional to 25,312,418.28, 34,931,122.02 and 13,709,978.28

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Solution

The fourth proportional to 25,312,418.28, 34,931,122.02 and 13,709,978.28 is: 18,919,761.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,312,418.28 : 34,931,122.02 = 13,709,978.28 : x
  2. Step 2: Convert to fraction form
    25,312,418.28/34,931,122.02 = 13,709,978.28/x
  3. Step 3: Cross multiply
    25,312,418.28x = 34,931,122.02 × 13,709,978.28
  4. Step 4: Simplify right side
    25,312,418.28x = 478,904,924,190,229.75
  5. Step 5: Solve for x
    x = 478,904,924,190,229.75/25,312,418.28
  6. Step 6: Final answer
    x = 18,919,761.79

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.