Home / 20,488,166.60-30,732,249.90-19,543,382.60

Finding the Fourth Proportional to 20,488,166.60, 30,732,249.90 and 19,543,382.60

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Solution

The fourth proportional to 20,488,166.60, 30,732,249.90 and 19,543,382.60 is: 29,315,073.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,488,166.60 : 30,732,249.90 = 19,543,382.60 : x
  2. Step 2: Convert to fraction form
    20,488,166.60/30,732,249.90 = 19,543,382.60/x
  3. Step 3: Cross multiply
    20,488,166.60x = 30,732,249.90 × 19,543,382.60
  4. Step 4: Simplify right side
    20,488,166.60x = 600,612,117,954,511.75
  5. Step 5: Solve for x
    x = 600,612,117,954,511.75/20,488,166.60
  6. Step 6: Final answer
    x = 29,315,073.90

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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.