Home / 26,232,661.60-39,348,992.40-8,279,432.80

Finding the Fourth Proportional to 26,232,661.60, 39,348,992.40 and 8,279,432.80

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Solution

The fourth proportional to 26,232,661.60, 39,348,992.40 and 8,279,432.80 is: 12,419,149.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,232,661.60 : 39,348,992.40 = 8,279,432.80 : x
  2. Step 2: Convert to fraction form
    26,232,661.60/39,348,992.40 = 8,279,432.80/x
  3. Step 3: Cross multiply
    26,232,661.60x = 39,348,992.40 × 8,279,432.80
  4. Step 4: Simplify right side
    26,232,661.60x = 325,787,338,323,510.69
  5. Step 5: Solve for x
    x = 325,787,338,323,510.69/26,232,661.60
  6. Step 6: Final answer
    x = 12,419,149.20

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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.