Home / 8,007,737.10-12,011,605.65-6,661,419.90

Finding the Fourth Proportional to 8,007,737.10, 12,011,605.65 and 6,661,419.90

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Solution

The fourth proportional to 8,007,737.10, 12,011,605.65 and 6,661,419.90 is: 9,992,129.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,007,737.10 : 12,011,605.65 = 6,661,419.90 : x
  2. Step 2: Convert to fraction form
    8,007,737.10/12,011,605.65 = 6,661,419.90/x
  3. Step 3: Cross multiply
    8,007,737.10x = 12,011,605.65 × 6,661,419.90
  4. Step 4: Simplify right side
    8,007,737.10x = 80,014,348,907,862.44
  5. Step 5: Solve for x
    x = 80,014,348,907,862.44/8,007,737.10
  6. Step 6: Final answer
    x = 9,992,129.85

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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.