Home / 9,872,171.46-13,623,449.94-5,521,217.58

Finding the Fourth Proportional to 9,872,171.46, 13,623,449.94 and 5,521,217.58

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Solution

The fourth proportional to 9,872,171.46, 13,623,449.94 and 5,521,217.58 is: 7,619,198.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,872,171.46 : 13,623,449.94 = 5,521,217.58 : x
  2. Step 2: Convert to fraction form
    9,872,171.46/13,623,449.94 = 5,521,217.58/x
  3. Step 3: Cross multiply
    9,872,171.46x = 13,623,449.94 × 5,521,217.58
  4. Step 4: Simplify right side
    9,872,171.46x = 75,218,031,308,977.94
  5. Step 5: Solve for x
    x = 75,218,031,308,977.94/9,872,171.46
  6. Step 6: Final answer
    x = 7,619,198.23

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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.