Home / 28,779,759.27-43,192,025.19-20,087,390.44

Finding the Fourth Proportional to 28,779,759.27, 43,192,025.19 and 20,087,390.44

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Solution

The fourth proportional to 28,779,759.27, 43,192,025.19 and 20,087,390.44 is: 30,146,710.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,779,759.27 : 43,192,025.19 = 20,087,390.44 : x
  2. Step 2: Convert to fraction form
    28,779,759.27/43,192,025.19 = 20,087,390.44/x
  3. Step 3: Cross multiply
    28,779,759.27x = 43,192,025.19 × 20,087,390.44
  4. Step 4: Simplify right side
    28,779,759.27x = 867,615,073,777,865.12
  5. Step 5: Solve for x
    x = 867,615,073,777,865.12/28,779,759.27
  6. Step 6: Final answer
    x = 30,146,710.60

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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.