Home / 38,566,205.38-53,221,217.43-21,162,841.84

Finding the Fourth Proportional to 38,566,205.38, 53,221,217.43 and 21,162,841.84

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Solution

The fourth proportional to 38,566,205.38, 53,221,217.43 and 21,162,841.84 is: 29,204,641.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,566,205.38 : 53,221,217.43 = 21,162,841.84 : x
  2. Step 2: Convert to fraction form
    38,566,205.38/53,221,217.43 = 21,162,841.84/x
  3. Step 3: Cross multiply
    38,566,205.38x = 53,221,217.43 × 21,162,841.84
  4. Step 4: Simplify right side
    38,566,205.38x = 1,126,312,207,003,341.25
  5. Step 5: Solve for x
    x = 1,126,312,207,003,341.25/38,566,205.38
  6. Step 6: Final answer
    x = 29,204,641.63

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.