Home / 20,238,464.59-27,929,117.88-11,071,107.34

Finding the Fourth Proportional to 20,238,464.59, 27,929,117.88 and 11,071,107.34

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Solution

The fourth proportional to 20,238,464.59, 27,929,117.88 and 11,071,107.34 is: 15,278,148.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,238,464.59 : 27,929,117.88 = 11,071,107.34 : x
  2. Step 2: Convert to fraction form
    20,238,464.59/27,929,117.88 = 11,071,107.34/x
  3. Step 3: Cross multiply
    20,238,464.59x = 27,929,117.88 × 11,071,107.34
  4. Step 4: Simplify right side
    20,238,464.59x = 309,206,261,960,993.25
  5. Step 5: Solve for x
    x = 309,206,261,960,993.25/20,238,464.59
  6. Step 6: Final answer
    x = 15,278,148.23

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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.