Home / 38,010,677.20-57,016,015.80-12,452,520.40

Finding the Fourth Proportional to 38,010,677.20, 57,016,015.80 and 12,452,520.40

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Solution

The fourth proportional to 38,010,677.20, 57,016,015.80 and 12,452,520.40 is: 18,678,780.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,010,677.20 : 57,016,015.80 = 12,452,520.40 : x
  2. Step 2: Convert to fraction form
    38,010,677.20/57,016,015.80 = 12,452,520.40/x
  3. Step 3: Cross multiply
    38,010,677.20x = 57,016,015.80 × 12,452,520.40
  4. Step 4: Simplify right side
    38,010,677.20x = 709,993,099,876,222.25
  5. Step 5: Solve for x
    x = 709,993,099,876,222.25/38,010,677.20
  6. Step 6: Final answer
    x = 18,678,780.60

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Similar ratio
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1.5x scale

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.