Home / 18,145,129.80-27,217,694.70-5,364,496.20

Finding the Fourth Proportional to 18,145,129.80, 27,217,694.70 and 5,364,496.20

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Solution

The fourth proportional to 18,145,129.80, 27,217,694.70 and 5,364,496.20 is: 8,046,744.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,145,129.80 : 27,217,694.70 = 5,364,496.20 : x
  2. Step 2: Convert to fraction form
    18,145,129.80/27,217,694.70 = 5,364,496.20/x
  3. Step 3: Cross multiply
    18,145,129.80x = 27,217,694.70 × 5,364,496.20
  4. Step 4: Simplify right side
    18,145,129.80x = 146,009,219,790,910.16
  5. Step 5: Solve for x
    x = 146,009,219,790,910.16/18,145,129.80
  6. Step 6: Final answer
    x = 8,046,744.30

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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.