Home / 8,275,856.20-12,385,790.70-7,268,086.60

Finding the Fourth Proportional to 8,275,856.20, 12,385,790.70 and 7,268,086.60

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Solution

The fourth proportional to 8,275,856.20, 12,385,790.70 and 7,268,086.60 is: 10,877,545.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,275,856.20 : 12,385,790.70 = 7,268,086.60 : x
  2. Step 2: Convert to fraction form
    8,275,856.20/12,385,790.70 = 7,268,086.60/x
  3. Step 3: Cross multiply
    8,275,856.20x = 12,385,790.70 × 7,268,086.60
  4. Step 4: Simplify right side
    8,275,856.20x = 90,020,999,417,074.61
  5. Step 5: Solve for x
    x = 90,020,999,417,074.61/8,275,856.20
  6. Step 6: Final answer
    x = 10,877,545.14

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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.