Home / 18,496,665.70-27,744,998.55-8,399,286.70

Finding the Fourth Proportional to 18,496,665.70, 27,744,998.55 and 8,399,286.70

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Solution

The fourth proportional to 18,496,665.70, 27,744,998.55 and 8,399,286.70 is: 12,598,930.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,496,665.70 : 27,744,998.55 = 8,399,286.70 : x
  2. Step 2: Convert to fraction form
    18,496,665.70/27,744,998.55 = 8,399,286.70/x
  3. Step 3: Cross multiply
    18,496,665.70x = 27,744,998.55 × 8,399,286.70
  4. Step 4: Simplify right side
    18,496,665.70x = 233,038,197,312,534.28
  5. Step 5: Solve for x
    x = 233,038,197,312,534.28/18,496,665.70
  6. Step 6: Final answer
    x = 12,598,930.05

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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.