Home / 10,868,170.60-16,302,255.90-7,679,524.60

Finding the Fourth Proportional to 10,868,170.60, 16,302,255.90 and 7,679,524.60

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Solution

The fourth proportional to 10,868,170.60, 16,302,255.90 and 7,679,524.60 is: 11,519,286.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,868,170.60 : 16,302,255.90 = 7,679,524.60 : x
  2. Step 2: Convert to fraction form
    10,868,170.60/16,302,255.90 = 7,679,524.60/x
  3. Step 3: Cross multiply
    10,868,170.60x = 16,302,255.90 × 7,679,524.60
  4. Step 4: Simplify right side
    10,868,170.60x = 125,193,575,219,545.14
  5. Step 5: Solve for x
    x = 125,193,575,219,545.14/10,868,170.60
  6. Step 6: Final answer
    x = 11,519,286.90

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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.