Home / 10,320,348.60-15,497,046.90-8,207,998.20

Finding the Fourth Proportional to 10,320,348.60, 15,497,046.90 and 8,207,998.20

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Solution

The fourth proportional to 10,320,348.60, 15,497,046.90 and 8,207,998.20 is: 12,325,139.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,320,348.60 : 15,497,046.90 = 8,207,998.20 : x
  2. Step 2: Convert to fraction form
    10,320,348.60/15,497,046.90 = 8,207,998.20/x
  3. Step 3: Cross multiply
    10,320,348.60x = 15,497,046.90 × 8,207,998.20
  4. Step 4: Simplify right side
    10,320,348.60x = 127,199,733,060,515.59
  5. Step 5: Solve for x
    x = 127,199,733,060,515.59/10,320,348.60
  6. Step 6: Final answer
    x = 12,325,139.20

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1.5x scale

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.