Home / 8,438,247.71-11,644,508.48-4,716,979.73

Finding the Fourth Proportional to 8,438,247.71, 11,644,508.48 and 4,716,979.73

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Solution

The fourth proportional to 8,438,247.71, 11,644,508.48 and 4,716,979.73 is: 6,509,279.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,438,247.71 : 11,644,508.48 = 4,716,979.73 : x
  2. Step 2: Convert to fraction form
    8,438,247.71/11,644,508.48 = 4,716,979.73/x
  3. Step 3: Cross multiply
    8,438,247.71x = 11,644,508.48 × 4,716,979.73
  4. Step 4: Simplify right side
    8,438,247.71x = 54,926,910,419,543.02
  5. Step 5: Solve for x
    x = 54,926,910,419,543.02/8,438,247.71
  6. Step 6: Final answer
    x = 6,509,279.22

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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.