Home / 11,531,883.20-15,911,358.60-6,884,763.76

Finding the Fourth Proportional to 11,531,883.20, 15,911,358.60 and 6,884,763.76

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Solution

The fourth proportional to 11,531,883.20, 15,911,358.60 and 6,884,763.76 is: 9,499,397.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,531,883.20 : 15,911,358.60 = 6,884,763.76 : x
  2. Step 2: Convert to fraction form
    11,531,883.20/15,911,358.60 = 6,884,763.76/x
  3. Step 3: Cross multiply
    11,531,883.20x = 15,911,358.60 × 6,884,763.76
  4. Step 4: Simplify right side
    11,531,883.20x = 109,545,945,061,644.33
  5. Step 5: Solve for x
    x = 109,545,945,061,644.33/11,531,883.20
  6. Step 6: Final answer
    x = 9,499,397.73

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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.