Home / 8,306,016.80-12,459,025.20-5,100,749.60

Finding the Fourth Proportional to 8,306,016.80, 12,459,025.20 and 5,100,749.60

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Solution

The fourth proportional to 8,306,016.80, 12,459,025.20 and 5,100,749.60 is: 7,651,124.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,306,016.80 : 12,459,025.20 = 5,100,749.60 : x
  2. Step 2: Convert to fraction form
    8,306,016.80/12,459,025.20 = 5,100,749.60/x
  3. Step 3: Cross multiply
    8,306,016.80x = 12,459,025.20 × 5,100,749.60
  4. Step 4: Simplify right side
    8,306,016.80x = 63,550,367,805,289.91
  5. Step 5: Solve for x
    x = 63,550,367,805,289.91/8,306,016.80
  6. Step 6: Final answer
    x = 7,651,124.40

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Similar ratio
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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.