Home / 12,504,360.80-18,756,541.20-7,465,512.80

Finding the Fourth Proportional to 12,504,360.80, 18,756,541.20 and 7,465,512.80

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Solution

The fourth proportional to 12,504,360.80, 18,756,541.20 and 7,465,512.80 is: 11,198,269.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,504,360.80 : 18,756,541.20 = 7,465,512.80 : x
  2. Step 2: Convert to fraction form
    12,504,360.80/18,756,541.20 = 7,465,512.80/x
  3. Step 3: Cross multiply
    12,504,360.80x = 18,756,541.20 × 7,465,512.80
  4. Step 4: Simplify right side
    12,504,360.80x = 140,027,198,412,327.34
  5. Step 5: Solve for x
    x = 140,027,198,412,327.34/12,504,360.80
  6. Step 6: Final answer
    x = 11,198,269.20

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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.