Home / 10,881,311.90-15,016,209.92-5,986,428.98

Finding the Fourth Proportional to 10,881,311.90, 15,016,209.92 and 5,986,428.98

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Solution

The fourth proportional to 10,881,311.90, 15,016,209.92 and 5,986,428.98 is: 8,261,271.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,881,311.90 : 15,016,209.92 = 5,986,428.98 : x
  2. Step 2: Convert to fraction form
    10,881,311.90/15,016,209.92 = 5,986,428.98/x
  3. Step 3: Cross multiply
    10,881,311.90x = 15,016,209.92 × 5,986,428.98
  4. Step 4: Simplify right side
    10,881,311.90x = 89,893,474,234,851.48
  5. Step 5: Solve for x
    x = 89,893,474,234,851.48/10,881,311.90
  6. Step 6: Final answer
    x = 8,261,271.72

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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.