Home / 15,416,576.20-21,274,037.22-8,540,648.20

Finding the Fourth Proportional to 15,416,576.20, 21,274,037.22 and 8,540,648.20

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Solution

The fourth proportional to 15,416,576.20, 21,274,037.22 and 8,540,648.20 is: 11,785,630.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,416,576.20 : 21,274,037.22 = 8,540,648.20 : x
  2. Step 2: Convert to fraction form
    15,416,576.20/21,274,037.22 = 8,540,648.20/x
  3. Step 3: Cross multiply
    15,416,576.20x = 21,274,037.22 × 8,540,648.20
  4. Step 4: Simplify right side
    15,416,576.20x = 181,694,067,689,725.97
  5. Step 5: Solve for x
    x = 181,694,067,689,725.97/15,416,576.20
  6. Step 6: Final answer
    x = 11,785,630.31

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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.