Home / 18,614,680.80-27,922,021.20-12,568,063.20

Finding the Fourth Proportional to 18,614,680.80, 27,922,021.20 and 12,568,063.20

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Solution

The fourth proportional to 18,614,680.80, 27,922,021.20 and 12,568,063.20 is: 18,852,094.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,614,680.80 : 27,922,021.20 = 12,568,063.20 : x
  2. Step 2: Convert to fraction form
    18,614,680.80/27,922,021.20 = 12,568,063.20/x
  3. Step 3: Cross multiply
    18,614,680.80x = 27,922,021.20 × 12,568,063.20
  4. Step 4: Simplify right side
    18,614,680.80x = 350,925,727,113,339.81
  5. Step 5: Solve for x
    x = 350,925,727,113,339.81/18,614,680.80
  6. Step 6: Final answer
    x = 18,852,094.80

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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.