Home / 18,690,277.56-28,040,151.53-5,737,084.93

Finding the Fourth Proportional to 18,690,277.56, 28,040,151.53 and 5,737,084.93

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Solution

The fourth proportional to 18,690,277.56, 28,040,151.53 and 5,737,084.93 is: 8,607,080.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,690,277.56 : 28,040,151.53 = 5,737,084.93 : x
  2. Step 2: Convert to fraction form
    18,690,277.56/28,040,151.53 = 5,737,084.93/x
  3. Step 3: Cross multiply
    18,690,277.56x = 28,040,151.53 × 5,737,084.93
  4. Step 4: Simplify right side
    18,690,277.56x = 160,868,730,777,679.44
  5. Step 5: Solve for x
    x = 160,868,730,777,679.44/18,690,277.56
  6. Step 6: Final answer
    x = 8,607,080.89

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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.