Home / 11,811,858-16,307,449.92-7,744,562.88

Finding the Fourth Proportional to 11,811,858, 16,307,449.92 and 7,744,562.88

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Solution

The fourth proportional to 11,811,858, 16,307,449.92 and 7,744,562.88 is: 10,692,142.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,811,858 : 16,307,449.92 = 7,744,562.88 : x
  2. Step 2: Convert to fraction form
    11,811,858/16,307,449.92 = 7,744,562.88/x
  3. Step 3: Cross multiply
    11,811,858x = 16,307,449.92 × 7,744,562.88
  4. Step 4: Simplify right side
    11,811,858x = 126,294,071,317,890.97
  5. Step 5: Solve for x
    x = 126,294,071,317,890.97/11,811,858
  6. Step 6: Final answer
    x = 10,692,142.70

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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.