Home / 8,138,882.76-11,232,225.90-5,380,778.22

Finding the Fourth Proportional to 8,138,882.76, 11,232,225.90 and 5,380,778.22

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Solution

The fourth proportional to 8,138,882.76, 11,232,225.90 and 5,380,778.22 is: 7,425,849.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,138,882.76 : 11,232,225.90 = 5,380,778.22 : x
  2. Step 2: Convert to fraction form
    8,138,882.76/11,232,225.90 = 5,380,778.22/x
  3. Step 3: Cross multiply
    8,138,882.76x = 11,232,225.90 × 5,380,778.22
  4. Step 4: Simplify right side
    8,138,882.76x = 60,438,116,484,839.90
  5. Step 5: Solve for x
    x = 60,438,116,484,839.90/8,138,882.76
  6. Step 6: Final answer
    x = 7,425,849.26

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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.