Home / 21,805,371.30-30,091,614.16-12,016,165.78

Finding the Fourth Proportional to 21,805,371.30, 30,091,614.16 and 12,016,165.78

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Solution

The fourth proportional to 21,805,371.30, 30,091,614.16 and 12,016,165.78 is: 16,582,419.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,805,371.30 : 30,091,614.16 = 12,016,165.78 : x
  2. Step 2: Convert to fraction form
    21,805,371.30/30,091,614.16 = 12,016,165.78/x
  3. Step 3: Cross multiply
    21,805,371.30x = 30,091,614.16 × 12,016,165.78
  4. Step 4: Simplify right side
    21,805,371.30x = 361,585,824,334,355.44
  5. Step 5: Solve for x
    x = 361,585,824,334,355.44/21,805,371.30
  6. Step 6: Final answer
    x = 16,582,419.96

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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.