Home / 15,197,377.62-20,972,130.72-8,227,999.44

Finding the Fourth Proportional to 15,197,377.62, 20,972,130.72 and 8,227,999.44

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Solution

The fourth proportional to 15,197,377.62, 20,972,130.72 and 8,227,999.44 is: 11,354,503.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,197,377.62 : 20,972,130.72 = 8,227,999.44 : x
  2. Step 2: Convert to fraction form
    15,197,377.62/20,972,130.72 = 8,227,999.44/x
  3. Step 3: Cross multiply
    15,197,377.62x = 20,972,130.72 × 8,227,999.44
  4. Step 4: Simplify right side
    15,197,377.62x = 172,558,679,819,766.78
  5. Step 5: Solve for x
    x = 172,558,679,819,766.78/15,197,377.62
  6. Step 6: Final answer
    x = 11,354,503.66

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.