Home / 20,724,562.30-31,086,843.46-6,541,138.30

Finding the Fourth Proportional to 20,724,562.30, 31,086,843.46 and 6,541,138.30

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Solution

The fourth proportional to 20,724,562.30, 31,086,843.46 and 6,541,138.30 is: 9,811,707.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,724,562.30 : 31,086,843.46 = 6,541,138.30 : x
  2. Step 2: Convert to fraction form
    20,724,562.30/31,086,843.46 = 6,541,138.30/x
  3. Step 3: Cross multiply
    20,724,562.30x = 31,086,843.46 × 6,541,138.30
  4. Step 4: Simplify right side
    20,724,562.30x = 203,343,342,382,310.53
  5. Step 5: Solve for x
    x = 203,343,342,382,310.53/20,724,562.30
  6. Step 6: Final answer
    x = 9,811,707.45

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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.