Home / 6,291,889.68-9,391,901.36-5,399,068.80

Finding the Fourth Proportional to 6,291,889.68, 9,391,901.36 and 5,399,068.80

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Solution

The fourth proportional to 6,291,889.68, 9,391,901.36 and 5,399,068.80 is: 8,059,187.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,291,889.68 : 9,391,901.36 = 5,399,068.80 : x
  2. Step 2: Convert to fraction form
    6,291,889.68/9,391,901.36 = 5,399,068.80/x
  3. Step 3: Cross multiply
    6,291,889.68x = 9,391,901.36 × 5,399,068.80
  4. Step 4: Simplify right side
    6,291,889.68x = 50,707,521,598,704.73
  5. Step 5: Solve for x
    x = 50,707,521,598,704.73/6,291,889.68
  6. Step 6: Final answer
    x = 8,059,187.97

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.