Home / 8,691,243.20-13,036,864.80-5,098,731.20

Finding the Fourth Proportional to 8,691,243.20, 13,036,864.80 and 5,098,731.20

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Solution

The fourth proportional to 8,691,243.20, 13,036,864.80 and 5,098,731.20 is: 7,648,096.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,691,243.20 : 13,036,864.80 = 5,098,731.20 : x
  2. Step 2: Convert to fraction form
    8,691,243.20/13,036,864.80 = 5,098,731.20/x
  3. Step 3: Cross multiply
    8,691,243.20x = 13,036,864.80 × 5,098,731.20
  4. Step 4: Simplify right side
    8,691,243.20x = 66,471,469,305,941.77
  5. Step 5: Solve for x
    x = 66,471,469,305,941.77/8,691,243.20
  6. Step 6: Final answer
    x = 7,648,096.80

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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.