Home / 8,382,144.80-12,554,554.80-7,262,400.80

Finding the Fourth Proportional to 8,382,144.80, 12,554,554.80 and 7,262,400.80

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Solution

The fourth proportional to 8,382,144.80, 12,554,554.80 and 7,262,400.80 is: 10,877,431.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,382,144.80 : 12,554,554.80 = 7,262,400.80 : x
  2. Step 2: Convert to fraction form
    8,382,144.80/12,554,554.80 = 7,262,400.80/x
  3. Step 3: Cross multiply
    8,382,144.80x = 12,554,554.80 × 7,262,400.80
  4. Step 4: Simplify right side
    8,382,144.80x = 91,176,208,823,163.84
  5. Step 5: Solve for x
    x = 91,176,208,823,163.84/8,382,144.80
  6. Step 6: Final answer
    x = 10,877,431.85

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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.