Home / 18,671,891.55-28,007,837.33-5,893,687.95

Finding the Fourth Proportional to 18,671,891.55, 28,007,837.33 and 5,893,687.95

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Solution

The fourth proportional to 18,671,891.55, 28,007,837.33 and 5,893,687.95 is: 8,840,531.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,671,891.55 : 28,007,837.33 = 5,893,687.95 : x
  2. Step 2: Convert to fraction form
    18,671,891.55/28,007,837.33 = 5,893,687.95/x
  3. Step 3: Cross multiply
    18,671,891.55x = 28,007,837.33 × 5,893,687.95
  4. Step 4: Simplify right side
    18,671,891.55x = 165,069,453,347,912.75
  5. Step 5: Solve for x
    x = 165,069,453,347,912.75/18,671,891.55
  6. Step 6: Final answer
    x = 8,840,531.93

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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.