Home / 9,218,149.52-12,720,976.19-5,088,180.14

Finding the Fourth Proportional to 9,218,149.52, 12,720,976.19 and 5,088,180.14

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Solution

The fourth proportional to 9,218,149.52, 12,720,976.19 and 5,088,180.14 is: 7,021,649.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,218,149.52 : 12,720,976.19 = 5,088,180.14 : x
  2. Step 2: Convert to fraction form
    9,218,149.52/12,720,976.19 = 5,088,180.14/x
  3. Step 3: Cross multiply
    9,218,149.52x = 12,720,976.19 × 5,088,180.14
  4. Step 4: Simplify right side
    9,218,149.52x = 64,726,618,389,109.42
  5. Step 5: Solve for x
    x = 64,726,618,389,109.42/9,218,149.52
  6. Step 6: Final answer
    x = 7,021,649.87

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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.