Home / 12,343,708.80-18,515,563.20-3,824,906.40

Finding the Fourth Proportional to 12,343,708.80, 18,515,563.20 and 3,824,906.40

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Solution

The fourth proportional to 12,343,708.80, 18,515,563.20 and 3,824,906.40 is: 5,737,359.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,343,708.80 : 18,515,563.20 = 3,824,906.40 : x
  2. Step 2: Convert to fraction form
    12,343,708.80/18,515,563.20 = 3,824,906.40/x
  3. Step 3: Cross multiply
    12,343,708.80x = 18,515,563.20 × 3,824,906.40
  4. Step 4: Simplify right side
    12,343,708.80x = 70,820,296,183,284.47
  5. Step 5: Solve for x
    x = 70,820,296,183,284.47/12,343,708.80
  6. Step 6: Final answer
    x = 5,737,359.60

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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.