Home / 18,426,211.65-27,643,360.98-5,647,677.57

Finding the Fourth Proportional to 18,426,211.65, 27,643,360.98 and 5,647,677.57

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Solution

The fourth proportional to 18,426,211.65, 27,643,360.98 and 5,647,677.57 is: 8,472,755.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,426,211.65 : 27,643,360.98 = 5,647,677.57 : x
  2. Step 2: Convert to fraction form
    18,426,211.65/27,643,360.98 = 5,647,677.57/x
  3. Step 3: Cross multiply
    18,426,211.65x = 27,643,360.98 × 5,647,677.57
  4. Step 4: Simplify right side
    18,426,211.65x = 156,120,789,766,159.22
  5. Step 5: Solve for x
    x = 156,120,789,766,159.22/18,426,211.65
  6. Step 6: Final answer
    x = 8,472,755.70

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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.