Home / 10,122,545.38-13,969,112.62-5,538,866.76

Finding the Fourth Proportional to 10,122,545.38, 13,969,112.62 and 5,538,866.76

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Solution

The fourth proportional to 10,122,545.38, 13,969,112.62 and 5,538,866.76 is: 7,643,636.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,122,545.38 : 13,969,112.62 = 5,538,866.76 : x
  2. Step 2: Convert to fraction form
    10,122,545.38/13,969,112.62 = 5,538,866.76/x
  3. Step 3: Cross multiply
    10,122,545.38x = 13,969,112.62 × 5,538,866.76
  4. Step 4: Simplify right side
    10,122,545.38x = 77,373,053,557,614.50
  5. Step 5: Solve for x
    x = 77,373,053,557,614.50/10,122,545.38
  6. Step 6: Final answer
    x = 7,643,636.13

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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.