Home / 7,722,631-10,619,439.42-6,702,264.28

Finding the Fourth Proportional to 7,722,631, 10,619,439.42 and 6,702,264.28

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Solution

The fourth proportional to 7,722,631, 10,619,439.42 and 6,702,264.28 is: 9,216,326.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,722,631 : 10,619,439.42 = 6,702,264.28 : x
  2. Step 2: Convert to fraction form
    7,722,631/10,619,439.42 = 6,702,264.28/x
  3. Step 3: Cross multiply
    7,722,631x = 10,619,439.42 × 6,702,264.28
  4. Step 4: Simplify right side
    7,722,631x = 71,174,289,498,289.92
  5. Step 5: Solve for x
    x = 71,174,289,498,289.92/7,722,631
  6. Step 6: Final answer
    x = 9,216,326.60

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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.