Home / 18,714,900.25-28,075,542.44-8,343,882.39

Finding the Fourth Proportional to 18,714,900.25, 28,075,542.44 and 8,343,882.39

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Solution

The fourth proportional to 18,714,900.25, 28,075,542.44 and 8,343,882.39 is: 12,517,246.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,714,900.25 : 28,075,542.44 = 8,343,882.39 : x
  2. Step 2: Convert to fraction form
    18,714,900.25/28,075,542.44 = 8,343,882.39/x
  3. Step 3: Cross multiply
    18,714,900.25x = 28,075,542.44 × 8,343,882.39
  4. Step 4: Simplify right side
    18,714,900.25x = 234,259,024,218,377.50
  5. Step 5: Solve for x
    x = 234,259,024,218,377.50/18,714,900.25
  6. Step 6: Final answer
    x = 12,517,246.74

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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.