Home / 38,789,389.80-58,198,272.49-18,049,719.25

Finding the Fourth Proportional to 38,789,389.80, 58,198,272.49 and 18,049,719.25

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Solution

The fourth proportional to 38,789,389.80, 58,198,272.49 and 18,049,719.25 is: 27,081,180.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,789,389.80 : 58,198,272.49 = 18,049,719.25 : x
  2. Step 2: Convert to fraction form
    38,789,389.80/58,198,272.49 = 18,049,719.25/x
  3. Step 3: Cross multiply
    38,789,389.80x = 58,198,272.49 × 18,049,719.25
  4. Step 4: Simplify right side
    38,789,389.80x = 1,050,462,479,374,808.38
  5. Step 5: Solve for x
    x = 1,050,462,479,374,808.38/38,789,389.80
  6. Step 6: Final answer
    x = 27,081,180.83

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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.