Home / 38,180,815.80-52,690,159.98-20,777,894.52

Finding the Fourth Proportional to 38,180,815.80, 52,690,159.98 and 20,777,894.52

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Solution

The fourth proportional to 38,180,815.80, 52,690,159.98 and 20,777,894.52 is: 28,673,839.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,180,815.80 : 52,690,159.98 = 20,777,894.52 : x
  2. Step 2: Convert to fraction form
    38,180,815.80/52,690,159.98 = 20,777,894.52/x
  3. Step 3: Cross multiply
    38,180,815.80x = 52,690,159.98 × 20,777,894.52
  4. Step 4: Simplify right side
    38,180,815.80x = 1,094,790,586,306,365.25
  5. Step 5: Solve for x
    x = 1,094,790,586,306,365.25/38,180,815.80
  6. Step 6: Final answer
    x = 28,673,839.55

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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.