Home / 38,385,660.80-57,438,523.20-28,307,964.80

Finding the Fourth Proportional to 38,385,660.80, 57,438,523.20 and 28,307,964.80

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Solution

The fourth proportional to 38,385,660.80, 57,438,523.20 and 28,307,964.80 is: 42,358,726.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,385,660.80 : 57,438,523.20 = 28,307,964.80 : x
  2. Step 2: Convert to fraction form
    38,385,660.80/57,438,523.20 = 28,307,964.80/x
  3. Step 3: Cross multiply
    38,385,660.80x = 57,438,523.20 × 28,307,964.80
  4. Step 4: Simplify right side
    38,385,660.80x = 1,625,967,692,909,583.50
  5. Step 5: Solve for x
    x = 1,625,967,692,909,583.50/38,385,660.80
  6. Step 6: Final answer
    x = 42,358,726.12

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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.