Home / 8,382,147.80-12,554,559.30-7,262,403.80

Finding the Fourth Proportional to 8,382,147.80, 12,554,559.30 and 7,262,403.80

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Solution

The fourth proportional to 8,382,147.80, 12,554,559.30 and 7,262,403.80 is: 10,877,436.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,382,147.80 : 12,554,559.30 = 7,262,403.80 : x
  2. Step 2: Convert to fraction form
    8,382,147.80/12,554,559.30 = 7,262,403.80/x
  3. Step 3: Cross multiply
    8,382,147.80x = 12,554,559.30 × 7,262,403.80
  4. Step 4: Simplify right side
    8,382,147.80x = 91,176,279,167,645.34
  5. Step 5: Solve for x
    x = 91,176,279,167,645.34/8,382,147.80
  6. Step 6: Final answer
    x = 10,877,436.35

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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.