Home / 38,029,523.40-57,043,766.70-12,471,366.60

Finding the Fourth Proportional to 38,029,523.40, 57,043,766.70 and 12,471,366.60

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Solution

The fourth proportional to 38,029,523.40, 57,043,766.70 and 12,471,366.60 is: 18,706,879.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,029,523.40 : 57,043,766.70 = 12,471,366.60 : x
  2. Step 2: Convert to fraction form
    38,029,523.40/57,043,766.70 = 12,471,366.60/x
  3. Step 3: Cross multiply
    38,029,523.40x = 57,043,766.70 × 12,471,366.60
  4. Step 4: Simplify right side
    38,029,523.40x = 711,413,726,760,572.25
  5. Step 5: Solve for x
    x = 711,413,726,760,572.25/38,029,523.40
  6. Step 6: Final answer
    x = 18,706,879.90

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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.