Home / 38,179,569-57,278,320.11-12,620,577.54

Finding the Fourth Proportional to 38,179,569, 57,278,320.11 and 12,620,577.54

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Solution

The fourth proportional to 38,179,569, 57,278,320.11 and 12,620,577.54 is: 18,933,830.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,179,569 : 57,278,320.11 = 12,620,577.54 : x
  2. Step 2: Convert to fraction form
    38,179,569/57,278,320.11 = 12,620,577.54/x
  3. Step 3: Cross multiply
    38,179,569x = 57,278,320.11 × 12,620,577.54
  4. Step 4: Simplify right side
    38,179,569x = 722,885,480,309,196.25
  5. Step 5: Solve for x
    x = 722,885,480,309,196.25/38,179,569
  6. Step 6: Final answer
    x = 18,933,830.30

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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.