Home / 38,138,312.80-57,207,469.20-17,667,992.80

Finding the Fourth Proportional to 38,138,312.80, 57,207,469.20 and 17,667,992.80

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Solution

The fourth proportional to 38,138,312.80, 57,207,469.20 and 17,667,992.80 is: 26,501,989.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,138,312.80 : 57,207,469.20 = 17,667,992.80 : x
  2. Step 2: Convert to fraction form
    38,138,312.80/57,207,469.20 = 17,667,992.80/x
  3. Step 3: Cross multiply
    38,138,312.80x = 57,207,469.20 × 17,667,992.80
  4. Step 4: Simplify right side
    38,138,312.80x = 1,010,741,153,931,821.88
  5. Step 5: Solve for x
    x = 1,010,741,153,931,821.88/38,138,312.80
  6. Step 6: Final answer
    x = 26,501,989.20

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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.