Home / 15,442,139.09-21,310,177.21-8,566,621.16

Finding the Fourth Proportional to 15,442,139.09, 21,310,177.21 and 8,566,621.16

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Solution

The fourth proportional to 15,442,139.09, 21,310,177.21 and 8,566,621.16 is: 11,821,951.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,442,139.09 : 21,310,177.21 = 8,566,621.16 : x
  2. Step 2: Convert to fraction form
    15,442,139.09/21,310,177.21 = 8,566,621.16/x
  3. Step 3: Cross multiply
    15,442,139.09x = 21,310,177.21 × 8,566,621.16
  4. Step 4: Simplify right side
    15,442,139.09x = 182,556,214,882,568.31
  5. Step 5: Solve for x
    x = 182,556,214,882,568.31/15,442,139.09
  6. Step 6: Final answer
    x = 11,821,951.21

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.