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Finding the Fourth Proportional to 8,804,612.80, 13,206,919.20 and 2,414,854.90

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Solution

The fourth proportional to 8,804,612.80, 13,206,919.20 and 2,414,854.90 is: 3,622,282.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,804,612.80 : 13,206,919.20 = 2,414,854.90 : x
  2. Step 2: Convert to fraction form
    8,804,612.80/13,206,919.20 = 2,414,854.90/x
  3. Step 3: Cross multiply
    8,804,612.80x = 13,206,919.20 × 2,414,854.90
  4. Step 4: Simplify right side
    8,804,612.80x = 31,892,793,544,024.08
  5. Step 5: Solve for x
    x = 31,892,793,544,024.08/8,804,612.80
  6. Step 6: Final answer
    x = 3,622,282.35

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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.