Home / 18,805,510.80-28,211,376.60-8,027,974.80

Finding the Fourth Proportional to 18,805,510.80, 28,211,376.60 and 8,027,974.80

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Solution

The fourth proportional to 18,805,510.80, 28,211,376.60 and 8,027,974.80 is: 12,043,290.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,805,510.80 : 28,211,376.60 = 8,027,974.80 : x
  2. Step 2: Convert to fraction form
    18,805,510.80/28,211,376.60 = 8,027,974.80/x
  3. Step 3: Cross multiply
    18,805,510.80x = 28,211,376.60 × 8,027,974.80
  4. Step 4: Simplify right side
    18,805,510.80x = 226,480,220,418,109.69
  5. Step 5: Solve for x
    x = 226,480,220,418,109.69/18,805,510.80
  6. Step 6: Final answer
    x = 12,043,290.01

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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.