Home / 14,687,242.92-20,259,951.05-9,171,040.86

Finding the Fourth Proportional to 14,687,242.92, 20,259,951.05 and 9,171,040.86

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Solution

The fourth proportional to 14,687,242.92, 20,259,951.05 and 9,171,040.86 is: 12,650,763.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,687,242.92 : 20,259,951.05 = 9,171,040.86 : x
  2. Step 2: Convert to fraction form
    14,687,242.92/20,259,951.05 = 9,171,040.86/x
  3. Step 3: Cross multiply
    14,687,242.92x = 20,259,951.05 × 9,171,040.86
  4. Step 4: Simplify right side
    14,687,242.92x = 185,804,838,924,077.47
  5. Step 5: Solve for x
    x = 185,804,838,924,077.47/14,687,242.92
  6. Step 6: Final answer
    x = 12,650,763.65

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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.