Home / 20,956,502.40-31,434,753.60-10,194,822.15

Finding the Fourth Proportional to 20,956,502.40, 31,434,753.60 and 10,194,822.15

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Solution

The fourth proportional to 20,956,502.40, 31,434,753.60 and 10,194,822.15 is: 15,292,233.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,956,502.40 : 31,434,753.60 = 10,194,822.15 : x
  2. Step 2: Convert to fraction form
    20,956,502.40/31,434,753.60 = 10,194,822.15/x
  3. Step 3: Cross multiply
    20,956,502.40x = 31,434,753.60 × 10,194,822.15
  4. Step 4: Simplify right side
    20,956,502.40x = 320,471,722,281,072.25
  5. Step 5: Solve for x
    x = 320,471,722,281,072.25/20,956,502.40
  6. Step 6: Final answer
    x = 15,292,233.23

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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.