Home / 20,832,234.99-28,748,714.20-11,539,947.39

Finding the Fourth Proportional to 20,832,234.99, 28,748,714.20 and 11,539,947.39

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Solution

The fourth proportional to 20,832,234.99, 28,748,714.20 and 11,539,947.39 is: 15,925,254.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,832,234.99 : 28,748,714.20 = 11,539,947.39 : x
  2. Step 2: Convert to fraction form
    20,832,234.99/28,748,714.20 = 11,539,947.39/x
  3. Step 3: Cross multiply
    20,832,234.99x = 28,748,714.20 × 11,539,947.39
  4. Step 4: Simplify right side
    20,832,234.99x = 331,758,649,261,488.44
  5. Step 5: Solve for x
    x = 331,758,649,261,488.44/20,832,234.99
  6. Step 6: Final answer
    x = 15,925,254.75

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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.