Home / 20,240,632.31-27,929,672.16-11,419,569.33

Finding the Fourth Proportional to 20,240,632.31, 27,929,672.16 and 11,419,569.33

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Solution

The fourth proportional to 20,240,632.31, 27,929,672.16 and 11,419,569.33 is: 15,757,651.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,240,632.31 : 27,929,672.16 = 11,419,569.33 : x
  2. Step 2: Convert to fraction form
    20,240,632.31/27,929,672.16 = 11,419,569.33/x
  3. Step 3: Cross multiply
    20,240,632.31x = 27,929,672.16 × 11,419,569.33
  4. Step 4: Simplify right side
    20,240,632.31x = 318,944,827,595,290.88
  5. Step 5: Solve for x
    x = 318,944,827,595,290.88/20,240,632.31
  6. Step 6: Final answer
    x = 15,757,651.38

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1.5x scale

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.