Home / 10,753,086.40-16,129,629.60-6,218,123.20

Finding the Fourth Proportional to 10,753,086.40, 16,129,629.60 and 6,218,123.20

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Solution

The fourth proportional to 10,753,086.40, 16,129,629.60 and 6,218,123.20 is: 9,327,184.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,753,086.40 : 16,129,629.60 = 6,218,123.20 : x
  2. Step 2: Convert to fraction form
    10,753,086.40/16,129,629.60 = 6,218,123.20/x
  3. Step 3: Cross multiply
    10,753,086.40x = 16,129,629.60 × 6,218,123.20
  4. Step 4: Simplify right side
    10,753,086.40x = 100,296,024,023,166.72
  5. Step 5: Solve for x
    x = 100,296,024,023,166.72/10,753,086.40
  6. Step 6: Final answer
    x = 9,327,184.80

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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.