Home / 7,167,928.61-9,891,737.19-3,948,664.61

Finding the Fourth Proportional to 7,167,928.61, 9,891,737.19 and 3,948,664.61

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Solution

The fourth proportional to 7,167,928.61, 9,891,737.19 and 3,948,664.61 is: 5,449,154.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,167,928.61 : 9,891,737.19 = 3,948,664.61 : x
  2. Step 2: Convert to fraction form
    7,167,928.61/9,891,737.19 = 3,948,664.61/x
  3. Step 3: Cross multiply
    7,167,928.61x = 9,891,737.19 × 3,948,664.61
  4. Step 4: Simplify right side
    7,167,928.61x = 39,059,152,573,573.84
  5. Step 5: Solve for x
    x = 39,059,152,573,573.84/7,167,928.61
  6. Step 6: Final answer
    x = 5,449,154.80

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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.