Home / 20,657,671.20-30,951,077.40-9,851,704.20

Finding the Fourth Proportional to 20,657,671.20, 30,951,077.40 and 9,851,704.20

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Solution

The fourth proportional to 20,657,671.20, 30,951,077.40 and 9,851,704.20 is: 14,760,659.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,657,671.20 : 30,951,077.40 = 9,851,704.20 : x
  2. Step 2: Convert to fraction form
    20,657,671.20/30,951,077.40 = 9,851,704.20/x
  3. Step 3: Cross multiply
    20,657,671.20x = 30,951,077.40 × 9,851,704.20
  4. Step 4: Simplify right side
    20,657,671.20x = 304,920,859,216,105.06
  5. Step 5: Solve for x
    x = 304,920,859,216,105.06/20,657,671.20
  6. Step 6: Final answer
    x = 14,760,659.91

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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.