Home / 12,317,884.47-18,479,466.90-3,682,660.77

Finding the Fourth Proportional to 12,317,884.47, 18,479,466.90 and 3,682,660.77

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Solution

The fourth proportional to 12,317,884.47, 18,479,466.90 and 3,682,660.77 is: 5,524,780.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,317,884.47 : 18,479,466.90 = 3,682,660.77 : x
  2. Step 2: Convert to fraction form
    12,317,884.47/18,479,466.90 = 3,682,660.77/x
  3. Step 3: Cross multiply
    12,317,884.47x = 18,479,466.90 × 3,682,660.77
  4. Step 4: Simplify right side
    12,317,884.47x = 68,053,607,803,143.51
  5. Step 5: Solve for x
    x = 68,053,607,803,143.51/12,317,884.47
  6. Step 6: Final answer
    x = 5,524,780.49

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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.