Home / 8,289,279.45-12,436,742.43-5,057,287.56

Finding the Fourth Proportional to 8,289,279.45, 12,436,742.43 and 5,057,287.56

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Solution

The fourth proportional to 8,289,279.45, 12,436,742.43 and 5,057,287.56 is: 7,587,653.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,289,279.45 : 12,436,742.43 = 5,057,287.56 : x
  2. Step 2: Convert to fraction form
    8,289,279.45/12,436,742.43 = 5,057,287.56/x
  3. Step 3: Cross multiply
    8,289,279.45x = 12,436,742.43 × 5,057,287.56
  4. Step 4: Simplify right side
    8,289,279.45x = 62,896,182,778,163.16
  5. Step 5: Solve for x
    x = 62,896,182,778,163.16/8,289,279.45
  6. Step 6: Final answer
    x = 7,587,653.81

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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.