Home / 18,145,614.30-27,218,421.45-16,465,998.30

Finding the Fourth Proportional to 18,145,614.30, 27,218,421.45 and 16,465,998.30

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Solution

The fourth proportional to 18,145,614.30, 27,218,421.45 and 16,465,998.30 is: 24,698,997.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,145,614.30 : 27,218,421.45 = 16,465,998.30 : x
  2. Step 2: Convert to fraction form
    18,145,614.30/27,218,421.45 = 16,465,998.30/x
  3. Step 3: Cross multiply
    18,145,614.30x = 27,218,421.45 × 16,465,998.30
  4. Step 4: Simplify right side
    18,145,614.30x = 448,178,481,324,383.56
  5. Step 5: Solve for x
    x = 448,178,481,324,383.56/18,145,614.30
  6. Step 6: Final answer
    x = 24,698,997.45

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Double scale
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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.