Home / 10,691,874.02-15,999,499.79-9,257,505.86

Finding the Fourth Proportional to 10,691,874.02, 15,999,499.79 and 9,257,505.86

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Solution

The fourth proportional to 10,691,874.02, 15,999,499.79 and 9,257,505.86 is: 13,853,087.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,691,874.02 : 15,999,499.79 = 9,257,505.86 : x
  2. Step 2: Convert to fraction form
    10,691,874.02/15,999,499.79 = 9,257,505.86/x
  3. Step 3: Cross multiply
    10,691,874.02x = 15,999,499.79 × 9,257,505.86
  4. Step 4: Simplify right side
    10,691,874.02x = 148,115,463,062,993.75
  5. Step 5: Solve for x
    x = 148,115,463,062,993.75/10,691,874.02
  6. Step 6: Final answer
    x = 13,853,087.19

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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.