Home / 8,478,785.79-12,722,385.29-3,361,107.51

Finding the Fourth Proportional to 8,478,785.79, 12,722,385.29 and 3,361,107.51

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Solution

The fourth proportional to 8,478,785.79, 12,722,385.29 and 3,361,107.51 is: 5,043,328.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,478,785.79 : 12,722,385.29 = 3,361,107.51 : x
  2. Step 2: Convert to fraction form
    8,478,785.79/12,722,385.29 = 3,361,107.51/x
  3. Step 3: Cross multiply
    8,478,785.79x = 12,722,385.29 × 3,361,107.51
  4. Step 4: Simplify right side
    8,478,785.79x = 42,761,304,726,526.98
  5. Step 5: Solve for x
    x = 42,761,304,726,526.98/8,478,785.79
  6. Step 6: Final answer
    x = 5,043,328.82

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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.