Home / 18,887,388,871.92-26,055,182,432.16-11,261,056,207.20

Finding the Fourth Proportional to 18,887,388,871.92, 26,055,182,432.16 and 11,261,056,207.20

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Solution

The fourth proportional to 18,887,388,871.92, 26,055,182,432.16 and 11,261,056,207.20 is: 15,534,644,616.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,887,388,871.92 : 26,055,182,432.16 = 11,261,056,207.20 : x
  2. Step 2: Convert to fraction form
    18,887,388,871.92/26,055,182,432.16 = 11,261,056,207.20/x
  3. Step 3: Cross multiply
    18,887,388,871.92x = 26,055,182,432.16 × 11,261,056,207.20
  4. Step 4: Simplify right side
    18,887,388,871.92x = 293,408,873,857,403,781,120
  5. Step 5: Solve for x
    x = 293,408,873,857,403,781,120/18,887,388,871.92
  6. Step 6: Final answer
    x = 15,534,644,616.42

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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.