Home / 20,126,202.90-27,767,078.01-13,160,957.82

Finding the Fourth Proportional to 20,126,202.90, 27,767,078.01 and 13,160,957.82

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Solution

The fourth proportional to 20,126,202.90, 27,767,078.01 and 13,160,957.82 is: 18,157,490.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,126,202.90 : 27,767,078.01 = 13,160,957.82 : x
  2. Step 2: Convert to fraction form
    20,126,202.90/27,767,078.01 = 13,160,957.82/x
  3. Step 3: Cross multiply
    20,126,202.90x = 27,767,078.01 × 13,160,957.82
  4. Step 4: Simplify right side
    20,126,202.90x = 365,441,342,474,259.56
  5. Step 5: Solve for x
    x = 365,441,342,474,259.56/20,126,202.90
  6. Step 6: Final answer
    x = 18,157,490.72

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1.5x scale

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.