Home / 8,221,721.28-12,333,411.32-2,829,662.24

Finding the Fourth Proportional to 8,221,721.28, 12,333,411.32 and 2,829,662.24

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Solution

The fourth proportional to 8,221,721.28, 12,333,411.32 and 2,829,662.24 is: 4,244,778.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,221,721.28 : 12,333,411.32 = 2,829,662.24 : x
  2. Step 2: Convert to fraction form
    8,221,721.28/12,333,411.32 = 2,829,662.24/x
  3. Step 3: Cross multiply
    8,221,721.28x = 12,333,411.32 × 2,829,662.24
  4. Step 4: Simplify right side
    8,221,721.28x = 34,899,388,302,592.56
  5. Step 5: Solve for x
    x = 34,899,388,302,592.56/8,221,721.28
  6. Step 6: Final answer
    x = 4,244,778.81

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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.