Home / 9,691,787.90-14,521,935.45-8,085,655.10

Finding the Fourth Proportional to 9,691,787.90, 14,521,935.45 and 8,085,655.10

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Solution

The fourth proportional to 9,691,787.90, 14,521,935.45 and 8,085,655.10 is: 12,115,345.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,691,787.90 : 14,521,935.45 = 8,085,655.10 : x
  2. Step 2: Convert to fraction form
    9,691,787.90/14,521,935.45 = 8,085,655.10/x
  3. Step 3: Cross multiply
    9,691,787.90x = 14,521,935.45 × 8,085,655.10
  4. Step 4: Simplify right side
    9,691,787.90x = 117,419,361,433,163.28
  5. Step 5: Solve for x
    x = 117,419,361,433,163.28/9,691,787.90
  6. Step 6: Final answer
    x = 12,115,345.76

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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.