Home / 10,691,873.52-15,999,499.04-9,257,505.36

Finding the Fourth Proportional to 10,691,873.52, 15,999,499.04 and 9,257,505.36

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Solution

The fourth proportional to 10,691,873.52, 15,999,499.04 and 9,257,505.36 is: 13,853,086.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,691,873.52 : 15,999,499.04 = 9,257,505.36 : x
  2. Step 2: Convert to fraction form
    10,691,873.52/15,999,499.04 = 9,257,505.36/x
  3. Step 3: Cross multiply
    10,691,873.52x = 15,999,499.04 × 9,257,505.36
  4. Step 4: Simplify right side
    10,691,873.52x = 148,115,448,120,114.84
  5. Step 5: Solve for x
    x = 148,115,448,120,114.84/10,691,873.52
  6. Step 6: Final answer
    x = 13,853,086.44

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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.