Home / 12,296,733.20-18,445,099.80-8,629,790.30

Finding the Fourth Proportional to 12,296,733.20, 18,445,099.80 and 8,629,790.30

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Solution

The fourth proportional to 12,296,733.20, 18,445,099.80 and 8,629,790.30 is: 12,944,685.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,296,733.20 : 18,445,099.80 = 8,629,790.30 : x
  2. Step 2: Convert to fraction form
    12,296,733.20/18,445,099.80 = 8,629,790.30/x
  3. Step 3: Cross multiply
    12,296,733.20x = 18,445,099.80 × 8,629,790.30
  4. Step 4: Simplify right side
    12,296,733.20x = 159,177,343,336,571.97
  5. Step 5: Solve for x
    x = 159,177,343,336,571.97/12,296,733.20
  6. Step 6: Final answer
    x = 12,944,685.45

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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.