Home / 20,032,181.28-27,645,035.94-11,330,183.61

Finding the Fourth Proportional to 20,032,181.28, 27,645,035.94 and 11,330,183.61

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Solution

The fourth proportional to 20,032,181.28, 27,645,035.94 and 11,330,183.61 is: 15,636,007.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,032,181.28 : 27,645,035.94 = 11,330,183.61 : x
  2. Step 2: Convert to fraction form
    20,032,181.28/27,645,035.94 = 11,330,183.61/x
  3. Step 3: Cross multiply
    20,032,181.28x = 27,645,035.94 × 11,330,183.61
  4. Step 4: Simplify right side
    20,032,181.28x = 313,223,333,105,248.94
  5. Step 5: Solve for x
    x = 313,223,333,105,248.94/20,032,181.28
  6. Step 6: Final answer
    x = 15,636,007.32

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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.