Home / 10,584,955.20-15,853,813.20-8,181,004.80

Finding the Fourth Proportional to 10,584,955.20, 15,853,813.20 and 8,181,004.80

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Solution

The fourth proportional to 10,584,955.20, 15,853,813.20 and 8,181,004.80 is: 12,253,251.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,584,955.20 : 15,853,813.20 = 8,181,004.80 : x
  2. Step 2: Convert to fraction form
    10,584,955.20/15,853,813.20 = 8,181,004.80/x
  3. Step 3: Cross multiply
    10,584,955.20x = 15,853,813.20 × 8,181,004.80
  4. Step 4: Simplify right side
    10,584,955.20x = 129,700,121,887,503.34
  5. Step 5: Solve for x
    x = 129,700,121,887,503.34/10,584,955.20
  6. Step 6: Final answer
    x = 12,253,251.85

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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.