Home / 20,763,644.20-28,655,504.52-11,472,029.84

Finding the Fourth Proportional to 20,763,644.20, 28,655,504.52 and 11,472,029.84

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Solution

The fourth proportional to 20,763,644.20, 28,655,504.52 and 11,472,029.84 is: 15,832,326.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,763,644.20 : 28,655,504.52 = 11,472,029.84 : x
  2. Step 2: Convert to fraction form
    20,763,644.20/28,655,504.52 = 11,472,029.84/x
  3. Step 3: Cross multiply
    20,763,644.20x = 28,655,504.52 × 11,472,029.84
  4. Step 4: Simplify right side
    20,763,644.20x = 328,736,802,933,694.88
  5. Step 5: Solve for x
    x = 328,736,802,933,694.88/20,763,644.20
  6. Step 6: Final answer
    x = 15,832,326.92

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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.