Home / 10,520,337.20-15,768,064.20-5,469,047.60

Finding the Fourth Proportional to 10,520,337.20, 15,768,064.20 and 5,469,047.60

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Solution

The fourth proportional to 10,520,337.20, 15,768,064.20 and 5,469,047.60 is: 8,197,103.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,520,337.20 : 15,768,064.20 = 5,469,047.60 : x
  2. Step 2: Convert to fraction form
    10,520,337.20/15,768,064.20 = 5,469,047.60/x
  3. Step 3: Cross multiply
    10,520,337.20x = 15,768,064.20 × 5,469,047.60
  4. Step 4: Simplify right side
    10,520,337.20x = 86,236,293,669,655.91
  5. Step 5: Solve for x
    x = 86,236,293,669,655.91/10,520,337.20
  6. Step 6: Final answer
    x = 8,197,103.57

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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.