Home / 38,661,911.61-57,954,561.06-18,154,921.65

Finding the Fourth Proportional to 38,661,911.61, 57,954,561.06 and 18,154,921.65

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Solution

The fourth proportional to 38,661,911.61, 57,954,561.06 and 18,154,921.65 is: 27,214,394.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,661,911.61 : 57,954,561.06 = 18,154,921.65 : x
  2. Step 2: Convert to fraction form
    38,661,911.61/57,954,561.06 = 18,154,921.65/x
  3. Step 3: Cross multiply
    38,661,911.61x = 57,954,561.06 × 18,154,921.65
  4. Step 4: Simplify right side
    38,661,911.61x = 1,052,160,515,304,440.88
  5. Step 5: Solve for x
    x = 1,052,160,515,304,440.88/38,661,911.61
  6. Step 6: Final answer
    x = 27,214,394.52

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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.