Home / 12,493,990.16-18,741,400.10-4,296,551.96

Finding the Fourth Proportional to 12,493,990.16, 18,741,400.10 and 4,296,551.96

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Solution

The fourth proportional to 12,493,990.16, 18,741,400.10 and 4,296,551.96 is: 6,444,970.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,493,990.16 : 18,741,400.10 = 4,296,551.96 : x
  2. Step 2: Convert to fraction form
    12,493,990.16/18,741,400.10 = 4,296,551.96/x
  3. Step 3: Cross multiply
    12,493,990.16x = 18,741,400.10 × 4,296,551.96
  4. Step 4: Simplify right side
    12,493,990.16x = 80,523,399,217,609.44
  5. Step 5: Solve for x
    x = 80,523,399,217,609.44/12,493,990.16
  6. Step 6: Final answer
    x = 6,444,970.60

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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.