Home / 28,815,514.22-39,765,725.12-15,762,773.27

Finding the Fourth Proportional to 28,815,514.22, 39,765,725.12 and 15,762,773.27

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Solution

The fourth proportional to 28,815,514.22, 39,765,725.12 and 15,762,773.27 is: 21,752,799.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,815,514.22 : 39,765,725.12 = 15,762,773.27 : x
  2. Step 2: Convert to fraction form
    28,815,514.22/39,765,725.12 = 15,762,773.27/x
  3. Step 3: Cross multiply
    28,815,514.22x = 39,765,725.12 × 15,762,773.27
  4. Step 4: Simplify right side
    28,815,514.22x = 626,818,108,824,281.88
  5. Step 5: Solve for x
    x = 626,818,108,824,281.88/28,815,514.22
  6. Step 6: Final answer
    x = 21,752,799.69

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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.