Home / 9,991,228.76-13,788,230.01-6,123,002.88

Finding the Fourth Proportional to 9,991,228.76, 13,788,230.01 and 6,123,002.88

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Solution

The fourth proportional to 9,991,228.76, 13,788,230.01 and 6,123,002.88 is: 8,449,948.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,991,228.76 : 13,788,230.01 = 6,123,002.88 : x
  2. Step 2: Convert to fraction form
    9,991,228.76/13,788,230.01 = 6,123,002.88/x
  3. Step 3: Cross multiply
    9,991,228.76x = 13,788,230.01 × 6,123,002.88
  4. Step 4: Simplify right side
    9,991,228.76x = 84,425,372,061,332.42
  5. Step 5: Solve for x
    x = 84,425,372,061,332.42/9,991,228.76
  6. Step 6: Final answer
    x = 8,449,948.86

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.