Home / 28,816,498.76-39,766,649.38-15,585,690.44

Finding the Fourth Proportional to 28,816,498.76, 39,766,649.38 and 15,585,690.44

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Solution

The fourth proportional to 28,816,498.76, 39,766,649.38 and 15,585,690.44 is: 21,508,188.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,816,498.76 : 39,766,649.38 = 15,585,690.44 : x
  2. Step 2: Convert to fraction form
    28,816,498.76/39,766,649.38 = 15,585,690.44/x
  3. Step 3: Cross multiply
    28,816,498.76x = 39,766,649.38 × 15,585,690.44
  4. Step 4: Simplify right side
    28,816,498.76x = 619,790,687,072,698
  5. Step 5: Solve for x
    x = 619,790,687,072,698/28,816,498.76
  6. Step 6: Final answer
    x = 21,508,188.49

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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.