Home / 12,068,862.11-18,111,343.20-4,392,504.92

Finding the Fourth Proportional to 12,068,862.11, 18,111,343.20 and 4,392,504.92

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Solution

The fourth proportional to 12,068,862.11, 18,111,343.20 and 4,392,504.92 is: 6,591,687.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,068,862.11 : 18,111,343.20 = 4,392,504.92 : x
  2. Step 2: Convert to fraction form
    12,068,862.11/18,111,343.20 = 4,392,504.92/x
  3. Step 3: Cross multiply
    12,068,862.11x = 18,111,343.20 × 4,392,504.92
  4. Step 4: Simplify right side
    12,068,862.11x = 79,554,164,217,886.66
  5. Step 5: Solve for x
    x = 79,554,164,217,886.66/12,068,862.11
  6. Step 6: Final answer
    x = 6,591,687.23

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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.