Home / 12,161,038.88-16,782,610.10-6,654,645.81

Finding the Fourth Proportional to 12,161,038.88, 16,782,610.10 and 6,654,645.81

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Solution

The fourth proportional to 12,161,038.88, 16,782,610.10 and 6,654,645.81 is: 9,183,617.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,161,038.88 : 16,782,610.10 = 6,654,645.81 : x
  2. Step 2: Convert to fraction form
    12,161,038.88/16,782,610.10 = 6,654,645.81/x
  3. Step 3: Cross multiply
    12,161,038.88x = 16,782,610.10 × 6,654,645.81
  4. Step 4: Simplify right side
    12,161,038.88x = 111,682,325,949,555.44
  5. Step 5: Solve for x
    x = 111,682,325,949,555.44/12,161,038.88
  6. Step 6: Final answer
    x = 9,183,617.21

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.