Home / 20,933,411.17-31,400,119.19-6,557,599.21

Finding the Fourth Proportional to 20,933,411.17, 31,400,119.19 and 6,557,599.21

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Solution

The fourth proportional to 20,933,411.17, 31,400,119.19 and 6,557,599.21 is: 9,836,399.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,933,411.17 : 31,400,119.19 = 6,557,599.21 : x
  2. Step 2: Convert to fraction form
    20,933,411.17/31,400,119.19 = 6,557,599.21/x
  3. Step 3: Cross multiply
    20,933,411.17x = 31,400,119.19 × 6,557,599.21
  4. Step 4: Simplify right side
    20,933,411.17x = 205,909,396,794,249.84
  5. Step 5: Solve for x
    x = 205,909,396,794,249.84/20,933,411.17
  6. Step 6: Final answer
    x = 9,836,399.58

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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.