Home / 20,728,169.10-31,092,253.65-15,945,200.10

Finding the Fourth Proportional to 20,728,169.10, 31,092,253.65 and 15,945,200.10

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Solution

The fourth proportional to 20,728,169.10, 31,092,253.65 and 15,945,200.10 is: 23,917,800.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,728,169.10 : 31,092,253.65 = 15,945,200.10 : x
  2. Step 2: Convert to fraction form
    20,728,169.10/31,092,253.65 = 15,945,200.10/x
  3. Step 3: Cross multiply
    20,728,169.10x = 31,092,253.65 × 15,945,200.10
  4. Step 4: Simplify right side
    20,728,169.10x = 495,772,206,009,205.31
  5. Step 5: Solve for x
    x = 495,772,206,009,205.31/20,728,169.10
  6. Step 6: Final answer
    x = 23,917,800.15

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1.5x scale

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.