Home / 14,193,143.20-21,289,714.80-8,202,512.80

Finding the Fourth Proportional to 14,193,143.20, 21,289,714.80 and 8,202,512.80

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Solution

The fourth proportional to 14,193,143.20, 21,289,714.80 and 8,202,512.80 is: 12,303,769.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,193,143.20 : 21,289,714.80 = 8,202,512.80 : x
  2. Step 2: Convert to fraction form
    14,193,143.20/21,289,714.80 = 8,202,512.80/x
  3. Step 3: Cross multiply
    14,193,143.20x = 21,289,714.80 × 8,202,512.80
  4. Step 4: Simplify right side
    14,193,143.20x = 174,629,158,155,349.44
  5. Step 5: Solve for x
    x = 174,629,158,155,349.44/14,193,143.20
  6. Step 6: Final answer
    x = 12,303,769.20

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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.