Home / 15,679,380.60-23,519,070.90-12,450,876.53

Finding the Fourth Proportional to 15,679,380.60, 23,519,070.90 and 12,450,876.53

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Solution

The fourth proportional to 15,679,380.60, 23,519,070.90 and 12,450,876.53 is: 18,676,314.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,679,380.60 : 23,519,070.90 = 12,450,876.53 : x
  2. Step 2: Convert to fraction form
    15,679,380.60/23,519,070.90 = 12,450,876.53/x
  3. Step 3: Cross multiply
    15,679,380.60x = 23,519,070.90 × 12,450,876.53
  4. Step 4: Simplify right side
    15,679,380.60x = 292,833,047,758,620.62
  5. Step 5: Solve for x
    x = 292,833,047,758,620.62/15,679,380.60
  6. Step 6: Final answer
    x = 18,676,314.79

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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.