Home / 8,278,423.97-12,417,639.39-3,724,153.20

Finding the Fourth Proportional to 8,278,423.97, 12,417,639.39 and 3,724,153.20

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Solution

The fourth proportional to 8,278,423.97, 12,417,639.39 and 3,724,153.20 is: 5,586,231.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,278,423.97 : 12,417,639.39 = 3,724,153.20 : x
  2. Step 2: Convert to fraction form
    8,278,423.97/12,417,639.39 = 3,724,153.20/x
  3. Step 3: Cross multiply
    8,278,423.97x = 12,417,639.39 × 3,724,153.20
  4. Step 4: Simplify right side
    8,278,423.97x = 46,245,191,470,714.55
  5. Step 5: Solve for x
    x = 46,245,191,470,714.55/8,278,423.97
  6. Step 6: Final answer
    x = 5,586,231.35

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Double scale
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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.