Home / 17,123,470.40-25,682,471.44-4,990,095.72

Finding the Fourth Proportional to 17,123,470.40, 25,682,471.44 and 4,990,095.72

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Solution

The fourth proportional to 17,123,470.40, 25,682,471.44 and 4,990,095.72 is: 7,484,346.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,123,470.40 : 25,682,471.44 = 4,990,095.72 : x
  2. Step 2: Convert to fraction form
    17,123,470.40/25,682,471.44 = 4,990,095.72/x
  3. Step 3: Cross multiply
    17,123,470.40x = 25,682,471.44 × 4,990,095.72
  4. Step 4: Simplify right side
    17,123,470.40x = 128,157,990,792,138.38
  5. Step 5: Solve for x
    x = 128,157,990,792,138.38/17,123,470.40
  6. Step 6: Final answer
    x = 7,484,346.79

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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.