Home / 20,650,053.60-28,495,903.20-11,482,499.52

Finding the Fourth Proportional to 20,650,053.60, 28,495,903.20 and 11,482,499.52

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Solution

The fourth proportional to 20,650,053.60, 28,495,903.20 and 11,482,499.52 is: 15,845,198.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,650,053.60 : 28,495,903.20 = 11,482,499.52 : x
  2. Step 2: Convert to fraction form
    20,650,053.60/28,495,903.20 = 11,482,499.52/x
  3. Step 3: Cross multiply
    20,650,053.60x = 28,495,903.20 × 11,482,499.52
  4. Step 4: Simplify right side
    20,650,053.60x = 327,204,194,815,966.44
  5. Step 5: Solve for x
    x = 327,204,194,815,966.44/20,650,053.60
  6. Step 6: Final answer
    x = 15,845,198.33

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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.