Home / 38,631,827.20-57,954,739.20-19,414,220.80

Finding the Fourth Proportional to 38,631,827.20, 57,954,739.20 and 19,414,220.80

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Solution

The fourth proportional to 38,631,827.20, 57,954,739.20 and 19,414,220.80 is: 29,124,848.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,631,827.20 : 57,954,739.20 = 19,414,220.80 : x
  2. Step 2: Convert to fraction form
    38,631,827.20/57,954,739.20 = 19,414,220.80/x
  3. Step 3: Cross multiply
    38,631,827.20x = 57,954,739.20 × 19,414,220.80
  4. Step 4: Simplify right side
    38,631,827.20x = 1,125,146,103,235,215.50
  5. Step 5: Solve for x
    x = 1,125,146,103,235,215.50/38,631,827.20
  6. Step 6: Final answer
    x = 29,124,848.21

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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.