Home / 12,584,304.32-18,847,063.20-11,568,136.64

Finding the Fourth Proportional to 12,584,304.32, 18,847,063.20 and 11,568,136.64

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Solution

The fourth proportional to 12,584,304.32, 18,847,063.20 and 11,568,136.64 is: 17,325,185.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,584,304.32 : 18,847,063.20 = 11,568,136.64 : x
  2. Step 2: Convert to fraction form
    12,584,304.32/18,847,063.20 = 11,568,136.64/x
  3. Step 3: Cross multiply
    12,584,304.32x = 18,847,063.20 × 11,568,136.64
  4. Step 4: Simplify right side
    12,584,304.32x = 218,025,402,360,315.66
  5. Step 5: Solve for x
    x = 218,025,402,360,315.66/12,584,304.32
  6. Step 6: Final answer
    x = 17,325,185.15

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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.