Home / 8,608,781.38-11,879,239.14-5,300,550.22

Finding the Fourth Proportional to 8,608,781.38, 11,879,239.14 and 5,300,550.22

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Solution

The fourth proportional to 8,608,781.38, 11,879,239.14 and 5,300,550.22 is: 7,314,217.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,608,781.38 : 11,879,239.14 = 5,300,550.22 : x
  2. Step 2: Convert to fraction form
    8,608,781.38/11,879,239.14 = 5,300,550.22/x
  3. Step 3: Cross multiply
    8,608,781.38x = 11,879,239.14 × 5,300,550.22
  4. Step 4: Simplify right side
    8,608,781.38x = 62,966,503,636,959.61
  5. Step 5: Solve for x
    x = 62,966,503,636,959.61/8,608,781.38
  6. Step 6: Final answer
    x = 7,314,217.99

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Double scale
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1.5x scale

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.