Home / 28,876,815.60-43,294,228.20-11,828,713.20

Finding the Fourth Proportional to 28,876,815.60, 43,294,228.20 and 11,828,713.20

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Solution

The fourth proportional to 28,876,815.60, 43,294,228.20 and 11,828,713.20 is: 17,734,469.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,876,815.60 : 43,294,228.20 = 11,828,713.20 : x
  2. Step 2: Convert to fraction form
    28,876,815.60/43,294,228.20 = 11,828,713.20/x
  3. Step 3: Cross multiply
    28,876,815.60x = 43,294,228.20 × 11,828,713.20
  4. Step 4: Simplify right side
    28,876,815.60x = 512,115,008,593,152.25
  5. Step 5: Solve for x
    x = 512,115,008,593,152.25/28,876,815.60
  6. Step 6: Final answer
    x = 17,734,469.61

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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.