Home / 20,220,857.70-30,331,286.55-6,573,977.70

Finding the Fourth Proportional to 20,220,857.70, 30,331,286.55 and 6,573,977.70

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Solution

The fourth proportional to 20,220,857.70, 30,331,286.55 and 6,573,977.70 is: 9,860,966.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,220,857.70 : 30,331,286.55 = 6,573,977.70 : x
  2. Step 2: Convert to fraction form
    20,220,857.70/30,331,286.55 = 6,573,977.70/x
  3. Step 3: Cross multiply
    20,220,857.70x = 30,331,286.55 × 6,573,977.70
  4. Step 4: Simplify right side
    20,220,857.70x = 199,397,201,392,009.94
  5. Step 5: Solve for x
    x = 199,397,201,392,009.94/20,220,857.70
  6. Step 6: Final answer
    x = 9,860,966.55

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Similar ratio
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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.