Home / 11,113,039.47-16,647,990.18-8,189,823.39

Finding the Fourth Proportional to 11,113,039.47, 16,647,990.18 and 8,189,823.39

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Solution

The fourth proportional to 11,113,039.47, 16,647,990.18 and 8,189,823.39 is: 12,268,839.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,113,039.47 : 16,647,990.18 = 8,189,823.39 : x
  2. Step 2: Convert to fraction form
    11,113,039.47/16,647,990.18 = 8,189,823.39/x
  3. Step 3: Cross multiply
    11,113,039.47x = 16,647,990.18 × 8,189,823.39
  4. Step 4: Simplify right side
    11,113,039.47x = 136,344,099,331,705.19
  5. Step 5: Solve for x
    x = 136,344,099,331,705.19/11,113,039.47
  6. Step 6: Final answer
    x = 12,268,839.66

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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.