Home / 28,428,269.60-42,642,404.40-25,399,055.90

Finding the Fourth Proportional to 28,428,269.60, 42,642,404.40 and 25,399,055.90

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Solution

The fourth proportional to 28,428,269.60, 42,642,404.40 and 25,399,055.90 is: 38,098,583.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,428,269.60 : 42,642,404.40 = 25,399,055.90 : x
  2. Step 2: Convert to fraction form
    28,428,269.60/42,642,404.40 = 25,399,055.90/x
  3. Step 3: Cross multiply
    28,428,269.60x = 42,642,404.40 × 25,399,055.90
  4. Step 4: Simplify right side
    28,428,269.60x = 1,083,076,813,066,005.88
  5. Step 5: Solve for x
    x = 1,083,076,813,066,005.88/28,428,269.60
  6. Step 6: Final answer
    x = 38,098,583.85

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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.