Home / 12,257,356.80-18,386,035.20-3,281,908.80

Finding the Fourth Proportional to 12,257,356.80, 18,386,035.20 and 3,281,908.80

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Solution

The fourth proportional to 12,257,356.80, 18,386,035.20 and 3,281,908.80 is: 4,922,863.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,257,356.80 : 18,386,035.20 = 3,281,908.80 : x
  2. Step 2: Convert to fraction form
    12,257,356.80/18,386,035.20 = 3,281,908.80/x
  3. Step 3: Cross multiply
    12,257,356.80x = 18,386,035.20 × 3,281,908.80
  4. Step 4: Simplify right side
    12,257,356.80x = 60,341,290,719,989.76
  5. Step 5: Solve for x
    x = 60,341,290,719,989.76/12,257,356.80
  6. Step 6: Final answer
    x = 4,922,863.20

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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.