Home / 7,156,766.94-9,876,381.33-3,893,605.07

Finding the Fourth Proportional to 7,156,766.94, 9,876,381.33 and 3,893,605.07

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Solution

The fourth proportional to 7,156,766.94, 9,876,381.33 and 3,893,605.07 is: 5,373,198.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,156,766.94 : 9,876,381.33 = 3,893,605.07 : x
  2. Step 2: Convert to fraction form
    7,156,766.94/9,876,381.33 = 3,893,605.07/x
  3. Step 3: Cross multiply
    7,156,766.94x = 9,876,381.33 × 3,893,605.07
  4. Step 4: Simplify right side
    7,156,766.94x = 38,454,728,370,359.44
  5. Step 5: Solve for x
    x = 38,454,728,370,359.44/7,156,766.94
  6. Step 6: Final answer
    x = 5,373,198.36

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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.