Home / 20,604,452.80-30,906,679.20-5,251,712.80

Finding the Fourth Proportional to 20,604,452.80, 30,906,679.20 and 5,251,712.80

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Solution

The fourth proportional to 20,604,452.80, 30,906,679.20 and 5,251,712.80 is: 7,877,569.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,604,452.80 : 30,906,679.20 = 5,251,712.80 : x
  2. Step 2: Convert to fraction form
    20,604,452.80/30,906,679.20 = 5,251,712.80/x
  3. Step 3: Cross multiply
    20,604,452.80x = 30,906,679.20 × 5,251,712.80
  4. Step 4: Simplify right side
    20,604,452.80x = 162,313,002,760,133.75
  5. Step 5: Solve for x
    x = 162,313,002,760,133.75/20,604,452.80
  6. Step 6: Final answer
    x = 7,877,569.20

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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.