Home / 28,428,267.60-42,642,401.40-25,399,053.90

Finding the Fourth Proportional to 28,428,267.60, 42,642,401.40 and 25,399,053.90

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Solution

The fourth proportional to 28,428,267.60, 42,642,401.40 and 25,399,053.90 is: 38,098,580.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,428,267.60 : 42,642,401.40 = 25,399,053.90 : x
  2. Step 2: Convert to fraction form
    28,428,267.60/42,642,401.40 = 25,399,053.90/x
  3. Step 3: Cross multiply
    28,428,267.60x = 42,642,401.40 × 25,399,053.90
  4. Step 4: Simplify right side
    28,428,267.60x = 1,083,076,651,584,035.38
  5. Step 5: Solve for x
    x = 1,083,076,651,584,035.38/28,428,267.60
  6. Step 6: Final answer
    x = 38,098,580.85

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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.