Home / 18,145,005.80-27,229,950.30-8,054,868.20

Finding the Fourth Proportional to 18,145,005.80, 27,229,950.30 and 8,054,868.20

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Solution

The fourth proportional to 18,145,005.80, 27,229,950.30 and 8,054,868.20 is: 12,087,825.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,145,005.80 : 27,229,950.30 = 8,054,868.20 : x
  2. Step 2: Convert to fraction form
    18,145,005.80/27,229,950.30 = 8,054,868.20/x
  3. Step 3: Cross multiply
    18,145,005.80x = 27,229,950.30 × 8,054,868.20
  4. Step 4: Simplify right side
    18,145,005.80x = 219,333,660,759,050.47
  5. Step 5: Solve for x
    x = 219,333,660,759,050.47/18,145,005.80
  6. Step 6: Final answer
    x = 12,087,825.33

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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.