Home / 8,883,691.38-13,330,845.90-8,160,931.62

Finding the Fourth Proportional to 8,883,691.38, 13,330,845.90 and 8,160,931.62

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Solution

The fourth proportional to 8,883,691.38, 13,330,845.90 and 8,160,931.62 is: 12,246,274.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,883,691.38 : 13,330,845.90 = 8,160,931.62 : x
  2. Step 2: Convert to fraction form
    8,883,691.38/13,330,845.90 = 8,160,931.62/x
  3. Step 3: Cross multiply
    8,883,691.38x = 13,330,845.90 × 8,160,931.62
  4. Step 4: Simplify right side
    8,883,691.38x = 108,792,121,826,657.36
  5. Step 5: Solve for x
    x = 108,792,121,826,657.36/8,883,691.38
  6. Step 6: Final answer
    x = 12,246,274.34

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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.