Home / 12,335,514.05-18,504,510.38-4,247,419.43

Finding the Fourth Proportional to 12,335,514.05, 18,504,510.38 and 4,247,419.43

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Solution

The fourth proportional to 12,335,514.05, 18,504,510.38 and 4,247,419.43 is: 6,371,555.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,335,514.05 : 18,504,510.38 = 4,247,419.43 : x
  2. Step 2: Convert to fraction form
    12,335,514.05/18,504,510.38 = 4,247,419.43/x
  3. Step 3: Cross multiply
    12,335,514.05x = 18,504,510.38 × 4,247,419.43
  4. Step 4: Simplify right side
    12,335,514.05x = 78,596,416,816,889.03
  5. Step 5: Solve for x
    x = 78,596,416,816,889.03/12,335,514.05
  6. Step 6: Final answer
    x = 6,371,555.86

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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.