Home / 17,078,421.90-25,617,657.45-6,981,042.90

Finding the Fourth Proportional to 17,078,421.90, 25,617,657.45 and 6,981,042.90

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Solution

The fourth proportional to 17,078,421.90, 25,617,657.45 and 6,981,042.90 is: 10,471,574.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,078,421.90 : 25,617,657.45 = 6,981,042.90 : x
  2. Step 2: Convert to fraction form
    17,078,421.90/25,617,657.45 = 6,981,042.90/x
  3. Step 3: Cross multiply
    17,078,421.90x = 25,617,657.45 × 6,981,042.90
  4. Step 4: Simplify right side
    17,078,421.90x = 178,837,965,655,954.59
  5. Step 5: Solve for x
    x = 178,837,965,655,954.59/17,078,421.90
  6. Step 6: Final answer
    x = 10,471,574.41

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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.