Home / 20,728,199.10-31,092,298.65-15,945,230.10

Finding the Fourth Proportional to 20,728,199.10, 31,092,298.65 and 15,945,230.10

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Solution

The fourth proportional to 20,728,199.10, 31,092,298.65 and 15,945,230.10 is: 23,917,845.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,728,199.10 : 31,092,298.65 = 15,945,230.10 : x
  2. Step 2: Convert to fraction form
    20,728,199.10/31,092,298.65 = 15,945,230.10/x
  3. Step 3: Cross multiply
    20,728,199.10x = 31,092,298.65 × 15,945,230.10
  4. Step 4: Simplify right side
    20,728,199.10x = 495,773,856,312,169.31
  5. Step 5: Solve for x
    x = 495,773,856,312,169.31/20,728,199.10
  6. Step 6: Final answer
    x = 23,917,845.15

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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.