Home / 20,348,029.30-30,522,043.95-17,608,155.70

Finding the Fourth Proportional to 20,348,029.30, 30,522,043.95 and 17,608,155.70

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Solution

The fourth proportional to 20,348,029.30, 30,522,043.95 and 17,608,155.70 is: 26,412,233.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,348,029.30 : 30,522,043.95 = 17,608,155.70 : x
  2. Step 2: Convert to fraction form
    20,348,029.30/30,522,043.95 = 17,608,155.70/x
  3. Step 3: Cross multiply
    20,348,029.30x = 30,522,043.95 × 17,608,155.70
  4. Step 4: Simplify right side
    20,348,029.30x = 537,436,902,153,843
  5. Step 5: Solve for x
    x = 537,436,902,153,843/20,348,029.30
  6. Step 6: Final answer
    x = 26,412,233.55

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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.