Home / 25,902,108.60-38,864,049.30-13,920,847.80

Finding the Fourth Proportional to 25,902,108.60, 38,864,049.30 and 13,920,847.80

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Solution

The fourth proportional to 25,902,108.60, 38,864,049.30 and 13,920,847.80 is: 20,887,122.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,902,108.60 : 38,864,049.30 = 13,920,847.80 : x
  2. Step 2: Convert to fraction form
    25,902,108.60/38,864,049.30 = 13,920,847.80/x
  3. Step 3: Cross multiply
    25,902,108.60x = 38,864,049.30 × 13,920,847.80
  4. Step 4: Simplify right side
    25,902,108.60x = 541,020,515,196,996.50
  5. Step 5: Solve for x
    x = 541,020,515,196,996.50/25,902,108.60
  6. Step 6: Final answer
    x = 20,887,122.49

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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.