Home / 16,702,278.92-25,020,800.78-7,936,081.86

Finding the Fourth Proportional to 16,702,278.92, 25,020,800.78 and 7,936,081.86

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Solution

The fourth proportional to 16,702,278.92, 25,020,800.78 and 7,936,081.86 is: 11,888,624.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,702,278.92 : 25,020,800.78 = 7,936,081.86 : x
  2. Step 2: Convert to fraction form
    16,702,278.92/25,020,800.78 = 7,936,081.86/x
  3. Step 3: Cross multiply
    16,702,278.92x = 25,020,800.78 × 7,936,081.86
  4. Step 4: Simplify right side
    16,702,278.92x = 198,567,123,192,831.88
  5. Step 5: Solve for x
    x = 198,567,123,192,831.88/16,702,278.92
  6. Step 6: Final answer
    x = 11,888,624.55

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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.