Home / 27,918,101.70-41,877,152.55-20,743,648.20

Finding the Fourth Proportional to 27,918,101.70, 41,877,152.55 and 20,743,648.20

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Solution

The fourth proportional to 27,918,101.70, 41,877,152.55 and 20,743,648.20 is: 31,115,472.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,918,101.70 : 41,877,152.55 = 20,743,648.20 : x
  2. Step 2: Convert to fraction form
    27,918,101.70/41,877,152.55 = 20,743,648.20/x
  3. Step 3: Cross multiply
    27,918,101.70x = 41,877,152.55 × 20,743,648.20
  4. Step 4: Simplify right side
    27,918,101.70x = 868,684,920,114,932.88
  5. Step 5: Solve for x
    x = 868,684,920,114,932.88/27,918,101.70
  6. Step 6: Final answer
    x = 31,115,472.30

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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.