Home / 8,171,143.20-12,255,402.60-2,490,046.20

Finding the Fourth Proportional to 8,171,143.20, 12,255,402.60 and 2,490,046.20

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Solution

The fourth proportional to 8,171,143.20, 12,255,402.60 and 2,490,046.20 is: 3,734,669.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,171,143.20 : 12,255,402.60 = 2,490,046.20 : x
  2. Step 2: Convert to fraction form
    8,171,143.20/12,255,402.60 = 2,490,046.20/x
  3. Step 3: Cross multiply
    8,171,143.20x = 12,255,402.60 × 2,490,046.20
  4. Step 4: Simplify right side
    8,171,143.20x = 30,516,518,673,600.12
  5. Step 5: Solve for x
    x = 30,516,518,673,600.12/8,171,143.20
  6. Step 6: Final answer
    x = 3,734,669.42

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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.