Home / 8,320,559.80-12,480,839.70-7,375,775.80

Finding the Fourth Proportional to 8,320,559.80, 12,480,839.70 and 7,375,775.80

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Solution

The fourth proportional to 8,320,559.80, 12,480,839.70 and 7,375,775.80 is: 11,063,663.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,320,559.80 : 12,480,839.70 = 7,375,775.80 : x
  2. Step 2: Convert to fraction form
    8,320,559.80/12,480,839.70 = 7,375,775.80/x
  3. Step 3: Cross multiply
    8,320,559.80x = 12,480,839.70 × 7,375,775.80
  4. Step 4: Simplify right side
    8,320,559.80x = 92,055,875,422,939.25
  5. Step 5: Solve for x
    x = 92,055,875,422,939.25/8,320,559.80
  6. Step 6: Final answer
    x = 11,063,663.70

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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.