Home / 20,914,496.96-28,857,276.90-12,654,353.80

Finding the Fourth Proportional to 20,914,496.96, 28,857,276.90 and 12,654,353.80

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Solution

The fourth proportional to 20,914,496.96, 28,857,276.90 and 12,654,353.80 is: 17,460,147.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,914,496.96 : 28,857,276.90 = 12,654,353.80 : x
  2. Step 2: Convert to fraction form
    20,914,496.96/28,857,276.90 = 12,654,353.80/x
  3. Step 3: Cross multiply
    20,914,496.96x = 28,857,276.90 × 12,654,353.80
  4. Step 4: Simplify right side
    20,914,496.96x = 365,170,191,597,167.25
  5. Step 5: Solve for x
    x = 365,170,191,597,167.25/20,914,496.96
  6. Step 6: Final answer
    x = 17,460,147.01

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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.