Home / 15,451,621.40-23,177,432.10-7,488,997.40

Finding the Fourth Proportional to 15,451,621.40, 23,177,432.10 and 7,488,997.40

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Solution

The fourth proportional to 15,451,621.40, 23,177,432.10 and 7,488,997.40 is: 11,233,496.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,451,621.40 : 23,177,432.10 = 7,488,997.40 : x
  2. Step 2: Convert to fraction form
    15,451,621.40/23,177,432.10 = 7,488,997.40/x
  3. Step 3: Cross multiply
    15,451,621.40x = 23,177,432.10 × 7,488,997.40
  4. Step 4: Simplify right side
    15,451,621.40x = 173,575,728,735,576.56
  5. Step 5: Solve for x
    x = 173,575,728,735,576.56/15,451,621.40
  6. Step 6: Final answer
    x = 11,233,496.10

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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.