Home / 28,835,998.80-43,253,998.20-15,170,456.40

Finding the Fourth Proportional to 28,835,998.80, 43,253,998.20 and 15,170,456.40

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Solution

The fourth proportional to 28,835,998.80, 43,253,998.20 and 15,170,456.40 is: 22,755,684.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,835,998.80 : 43,253,998.20 = 15,170,456.40 : x
  2. Step 2: Convert to fraction form
    28,835,998.80/43,253,998.20 = 15,170,456.40/x
  3. Step 3: Cross multiply
    28,835,998.80x = 43,253,998.20 × 15,170,456.40
  4. Step 4: Simplify right side
    28,835,998.80x = 656,182,893,818,778.50
  5. Step 5: Solve for x
    x = 656,182,893,818,778.50/28,835,998.80
  6. Step 6: Final answer
    x = 22,755,684.60

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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.