Home / 10,331,332.40-15,496,998.60-9,215,306.30

Finding the Fourth Proportional to 10,331,332.40, 15,496,998.60 and 9,215,306.30

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Solution

The fourth proportional to 10,331,332.40, 15,496,998.60 and 9,215,306.30 is: 13,822,959.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,331,332.40 : 15,496,998.60 = 9,215,306.30 : x
  2. Step 2: Convert to fraction form
    10,331,332.40/15,496,998.60 = 9,215,306.30/x
  3. Step 3: Cross multiply
    10,331,332.40x = 15,496,998.60 × 9,215,306.30
  4. Step 4: Simplify right side
    10,331,332.40x = 142,809,588,829,671.19
  5. Step 5: Solve for x
    x = 142,809,588,829,671.19/10,331,332.40
  6. Step 6: Final answer
    x = 13,822,959.45

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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.