Home / 10,891,515.60-16,337,273.40-9,379,861.20

Finding the Fourth Proportional to 10,891,515.60, 16,337,273.40 and 9,379,861.20

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Solution

The fourth proportional to 10,891,515.60, 16,337,273.40 and 9,379,861.20 is: 14,069,791.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,891,515.60 : 16,337,273.40 = 9,379,861.20 : x
  2. Step 2: Convert to fraction form
    10,891,515.60/16,337,273.40 = 9,379,861.20/x
  3. Step 3: Cross multiply
    10,891,515.60x = 16,337,273.40 × 9,379,861.20
  4. Step 4: Simplify right side
    10,891,515.60x = 153,241,356,878,452.06
  5. Step 5: Solve for x
    x = 153,241,356,878,452.06/10,891,515.60
  6. Step 6: Final answer
    x = 14,069,791.80

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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.