Home / 18,145,998.30-27,218,997.45-16,298,420.70

Finding the Fourth Proportional to 18,145,998.30, 27,218,997.45 and 16,298,420.70

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Solution

The fourth proportional to 18,145,998.30, 27,218,997.45 and 16,298,420.70 is: 24,447,631.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,145,998.30 : 27,218,997.45 = 16,298,420.70 : x
  2. Step 2: Convert to fraction form
    18,145,998.30/27,218,997.45 = 16,298,420.70/x
  3. Step 3: Cross multiply
    18,145,998.30x = 27,218,997.45 × 16,298,420.70
  4. Step 4: Simplify right side
    18,145,998.30x = 443,626,671,472,327.19
  5. Step 5: Solve for x
    x = 443,626,671,472,327.19/18,145,998.30
  6. Step 6: Final answer
    x = 24,447,631.05

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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.