Home / 12,906,386.13-19,359,447.06-3,321,727.41

Finding the Fourth Proportional to 12,906,386.13, 19,359,447.06 and 3,321,727.41

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Solution

The fourth proportional to 12,906,386.13, 19,359,447.06 and 3,321,727.41 is: 4,982,557.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,906,386.13 : 19,359,447.06 = 3,321,727.41 : x
  2. Step 2: Convert to fraction form
    12,906,386.13/19,359,447.06 = 3,321,727.41/x
  3. Step 3: Cross multiply
    12,906,386.13x = 19,359,447.06 × 3,321,727.41
  4. Step 4: Simplify right side
    12,906,386.13x = 64,306,805,941,645.91
  5. Step 5: Solve for x
    x = 64,306,805,941,645.91/12,906,386.13
  6. Step 6: Final answer
    x = 4,982,557.11

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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.