Home / 11,436,320.39-15,782,232.86-6,279,792.65

Finding the Fourth Proportional to 11,436,320.39, 15,782,232.86 and 6,279,792.65

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Solution

The fourth proportional to 11,436,320.39, 15,782,232.86 and 6,279,792.65 is: 8,666,174.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,436,320.39 : 15,782,232.86 = 6,279,792.65 : x
  2. Step 2: Convert to fraction form
    11,436,320.39/15,782,232.86 = 6,279,792.65/x
  3. Step 3: Cross multiply
    11,436,320.39x = 15,782,232.86 × 6,279,792.65
  4. Step 4: Simplify right side
    11,436,320.39x = 99,109,149,958,348.95
  5. Step 5: Solve for x
    x = 99,109,149,958,348.95/11,436,320.39
  6. Step 6: Final answer
    x = 8,666,174.66

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.