Home / 8,985,286.52-13,477,929.75-2,161,859.81

Finding the Fourth Proportional to 8,985,286.52, 13,477,929.75 and 2,161,859.81

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Solution

The fourth proportional to 8,985,286.52, 13,477,929.75 and 2,161,859.81 is: 3,242,789.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,985,286.52 : 13,477,929.75 = 2,161,859.81 : x
  2. Step 2: Convert to fraction form
    8,985,286.52/13,477,929.75 = 2,161,859.81/x
  3. Step 3: Cross multiply
    8,985,286.52x = 13,477,929.75 × 2,161,859.81
  4. Step 4: Simplify right side
    8,985,286.52x = 29,137,394,682,223.17
  5. Step 5: Solve for x
    x = 29,137,394,682,223.17/8,985,286.52
  6. Step 6: Final answer
    x = 3,242,789.71

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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.