Home / 21,067,261.30-31,594,593.12-10,964,371.06

Finding the Fourth Proportional to 21,067,261.30, 31,594,593.12 and 10,964,371.06

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Solution

The fourth proportional to 21,067,261.30, 31,594,593.12 and 10,964,371.06 is: 16,443,278.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,067,261.30 : 31,594,593.12 = 10,964,371.06 : x
  2. Step 2: Convert to fraction form
    21,067,261.30/31,594,593.12 = 10,964,371.06/x
  3. Step 3: Cross multiply
    21,067,261.30x = 31,594,593.12 × 10,964,371.06
  4. Step 4: Simplify right side
    21,067,261.30x = 346,414,842,457,403.12
  5. Step 5: Solve for x
    x = 346,414,842,457,403.12/21,067,261.30
  6. Step 6: Final answer
    x = 16,443,278.39

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.