Home / 20,268,492.36-27,970,972.10-11,566,491.72

Finding the Fourth Proportional to 20,268,492.36, 27,970,972.10 and 11,566,491.72

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Solution

The fourth proportional to 20,268,492.36, 27,970,972.10 and 11,566,491.72 is: 15,962,016.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,268,492.36 : 27,970,972.10 = 11,566,491.72 : x
  2. Step 2: Convert to fraction form
    20,268,492.36/27,970,972.10 = 11,566,491.72/x
  3. Step 3: Cross multiply
    20,268,492.36x = 27,970,972.10 × 11,566,491.72
  4. Step 4: Simplify right side
    20,268,492.36x = 323,526,017,195,001.06
  5. Step 5: Solve for x
    x = 323,526,017,195,001.06/20,268,492.36
  6. Step 6: Final answer
    x = 15,962,016.88

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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.