Home / 18,145,622.80-27,218,434.20-16,019,858.80

Finding the Fourth Proportional to 18,145,622.80, 27,218,434.20 and 16,019,858.80

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Solution

The fourth proportional to 18,145,622.80, 27,218,434.20 and 16,019,858.80 is: 24,029,788.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,145,622.80 : 27,218,434.20 = 16,019,858.80 : x
  2. Step 2: Convert to fraction form
    18,145,622.80/27,218,434.20 = 16,019,858.80/x
  3. Step 3: Cross multiply
    18,145,622.80x = 27,218,434.20 × 16,019,858.80
  4. Step 4: Simplify right side
    18,145,622.80x = 436,035,472,641,090.94
  5. Step 5: Solve for x
    x = 436,035,472,641,090.94/18,145,622.80
  6. Step 6: Final answer
    x = 24,029,788.20

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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.