Home / 10,515,089.25-14,505,306.48-9,135,332.82

Finding the Fourth Proportional to 10,515,089.25, 14,505,306.48 and 9,135,332.82

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Solution

The fourth proportional to 10,515,089.25, 14,505,306.48 and 9,135,332.82 is: 12,601,966.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,515,089.25 : 14,505,306.48 = 9,135,332.82 : x
  2. Step 2: Convert to fraction form
    10,515,089.25/14,505,306.48 = 9,135,332.82/x
  3. Step 3: Cross multiply
    10,515,089.25x = 14,505,306.48 × 9,135,332.82
  4. Step 4: Simplify right side
    10,515,089.25x = 132,510,802,350,902.69
  5. Step 5: Solve for x
    x = 132,510,802,350,902.69/10,515,089.25
  6. Step 6: Final answer
    x = 12,601,966.49

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1.5x scale

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.