Home / 38,701,814.25-53,396,479.60-21,953,793.57

Finding the Fourth Proportional to 38,701,814.25, 53,396,479.60 and 21,953,793.57

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Solution

The fourth proportional to 38,701,814.25, 53,396,479.60 and 21,953,793.57 is: 30,289,414.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,701,814.25 : 53,396,479.60 = 21,953,793.57 : x
  2. Step 2: Convert to fraction form
    38,701,814.25/53,396,479.60 = 21,953,793.57/x
  3. Step 3: Cross multiply
    38,701,814.25x = 53,396,479.60 × 21,953,793.57
  4. Step 4: Simplify right side
    38,701,814.25x = 1,172,255,290,503,116.25
  5. Step 5: Solve for x
    x = 1,172,255,290,503,116.25/38,701,814.25
  6. Step 6: Final answer
    x = 30,289,414.42

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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.