Home / 20,111,817.20-27,752,046.75-11,851,343.24

Finding the Fourth Proportional to 20,111,817.20, 27,752,046.75 and 11,851,343.24

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Solution

The fourth proportional to 20,111,817.20, 27,752,046.75 and 11,851,343.24 is: 16,353,521.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,111,817.20 : 27,752,046.75 = 11,851,343.24 : x
  2. Step 2: Convert to fraction form
    20,111,817.20/27,752,046.75 = 11,851,343.24/x
  3. Step 3: Cross multiply
    20,111,817.20x = 27,752,046.75 × 11,851,343.24
  4. Step 4: Simplify right side
    20,111,817.20x = 328,899,031,508,016.25
  5. Step 5: Solve for x
    x = 328,899,031,508,016.25/20,111,817.20
  6. Step 6: Final answer
    x = 16,353,521.33

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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.