Home / 19,992,440.20-29,988,660.30-12,434,168.20

Finding the Fourth Proportional to 19,992,440.20, 29,988,660.30 and 12,434,168.20

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Solution

The fourth proportional to 19,992,440.20, 29,988,660.30 and 12,434,168.20 is: 18,651,252.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,992,440.20 : 29,988,660.30 = 12,434,168.20 : x
  2. Step 2: Convert to fraction form
    19,992,440.20/29,988,660.30 = 12,434,168.20/x
  3. Step 3: Cross multiply
    19,992,440.20x = 29,988,660.30 × 12,434,168.20
  4. Step 4: Simplify right side
    19,992,440.20x = 372,884,046,262,862.44
  5. Step 5: Solve for x
    x = 372,884,046,262,862.44/19,992,440.20
  6. Step 6: Final answer
    x = 18,651,252.30

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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.