Home / 18,715,098.80-28,072,648.20-15,975,225.20

Finding the Fourth Proportional to 18,715,098.80, 28,072,648.20 and 15,975,225.20

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Solution

The fourth proportional to 18,715,098.80, 28,072,648.20 and 15,975,225.20 is: 23,962,837.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,715,098.80 : 28,072,648.20 = 15,975,225.20 : x
  2. Step 2: Convert to fraction form
    18,715,098.80/28,072,648.20 = 15,975,225.20/x
  3. Step 3: Cross multiply
    18,715,098.80x = 28,072,648.20 × 15,975,225.20
  4. Step 4: Simplify right side
    18,715,098.80x = 448,466,876,955,374.62
  5. Step 5: Solve for x
    x = 448,466,876,955,374.62/18,715,098.80
  6. Step 6: Final answer
    x = 23,962,837.80

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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.