Home / 20,067,432,022.48-27,686,277,898.10-11,375,954,702.12

Finding the Fourth Proportional to 20,067,432,022.48, 27,686,277,898.10 and 11,375,954,702.12

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Solution

The fourth proportional to 20,067,432,022.48, 27,686,277,898.10 and 11,375,954,702.12 is: 15,694,974,966.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,067,432,022.48 : 27,686,277,898.10 = 11,375,954,702.12 : x
  2. Step 2: Convert to fraction form
    20,067,432,022.48/27,686,277,898.10 = 11,375,954,702.12/x
  3. Step 3: Cross multiply
    20,067,432,022.48x = 27,686,277,898.10 × 11,375,954,702.12
  4. Step 4: Simplify right side
    20,067,432,022.48x = 314,957,843,239,091,699,712
  5. Step 5: Solve for x
    x = 314,957,843,239,091,699,712/20,067,432,022.48
  6. Step 6: Final answer
    x = 15,694,974,966.72

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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.