Home / 8,777,409.12-13,171,346.28-3,919,340.16

Finding the Fourth Proportional to 8,777,409.12, 13,171,346.28 and 3,919,340.16

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Solution

The fourth proportional to 8,777,409.12, 13,171,346.28 and 3,919,340.16 is: 5,881,346.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,777,409.12 : 13,171,346.28 = 3,919,340.16 : x
  2. Step 2: Convert to fraction form
    8,777,409.12/13,171,346.28 = 3,919,340.16/x
  3. Step 3: Cross multiply
    8,777,409.12x = 13,171,346.28 × 3,919,340.16
  4. Step 4: Simplify right side
    8,777,409.12x = 51,622,986,436,470.60
  5. Step 5: Solve for x
    x = 51,622,986,436,470.60/8,777,409.12
  6. Step 6: Final answer
    x = 5,881,346.73

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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.