Home / 15,672,543.90-23,508,815.85-13,153,119.90

Finding the Fourth Proportional to 15,672,543.90, 23,508,815.85 and 13,153,119.90

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Solution

The fourth proportional to 15,672,543.90, 23,508,815.85 and 13,153,119.90 is: 19,729,679.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,672,543.90 : 23,508,815.85 = 13,153,119.90 : x
  2. Step 2: Convert to fraction form
    15,672,543.90/23,508,815.85 = 13,153,119.90/x
  3. Step 3: Cross multiply
    15,672,543.90x = 23,508,815.85 × 13,153,119.90
  4. Step 4: Simplify right side
    15,672,543.90x = 309,214,273,582,070.44
  5. Step 5: Solve for x
    x = 309,214,273,582,070.44/15,672,543.90
  6. Step 6: Final answer
    x = 19,729,679.85

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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.