Home / 18,517,461.72-25,562,958.32-12,332,800.68

Finding the Fourth Proportional to 18,517,461.72, 25,562,958.32 and 12,332,800.68

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Solution

The fourth proportional to 18,517,461.72, 25,562,958.32 and 12,332,800.68 is: 17,025,166.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,517,461.72 : 25,562,958.32 = 12,332,800.68 : x
  2. Step 2: Convert to fraction form
    18,517,461.72/25,562,958.32 = 12,332,800.68/x
  3. Step 3: Cross multiply
    18,517,461.72x = 25,562,958.32 × 12,332,800.68
  4. Step 4: Simplify right side
    18,517,461.72x = 315,262,869,608,476.88
  5. Step 5: Solve for x
    x = 315,262,869,608,476.88/18,517,461.72
  6. Step 6: Final answer
    x = 17,025,166.54

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.