Home / 36,712,983.02-50,664,017.52-20,194,799.78

Finding the Fourth Proportional to 36,712,983.02, 50,664,017.52 and 20,194,799.78

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Solution

The fourth proportional to 36,712,983.02, 50,664,017.52 and 20,194,799.78 is: 27,868,879.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,712,983.02 : 50,664,017.52 = 20,194,799.78 : x
  2. Step 2: Convert to fraction form
    36,712,983.02/50,664,017.52 = 20,194,799.78/x
  3. Step 3: Cross multiply
    36,712,983.02x = 50,664,017.52 × 20,194,799.78
  4. Step 4: Simplify right side
    36,712,983.02x = 1,023,149,689,866,812.25
  5. Step 5: Solve for x
    x = 1,023,149,689,866,812.25/36,712,983.02
  6. Step 6: Final answer
    x = 27,868,879.23

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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.