Home / 7,722,632-10,619,440.80-6,702,265.28

Finding the Fourth Proportional to 7,722,632, 10,619,440.80 and 6,702,265.28

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Solution

The fourth proportional to 7,722,632, 10,619,440.80 and 6,702,265.28 is: 9,216,327.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,722,632 : 10,619,440.80 = 6,702,265.28 : x
  2. Step 2: Convert to fraction form
    7,722,632/10,619,440.80 = 6,702,265.28/x
  3. Step 3: Cross multiply
    7,722,632x = 10,619,440.80 × 6,702,265.28
  4. Step 4: Simplify right side
    7,722,632x = 71,174,309,366,855.44
  5. Step 5: Solve for x
    x = 71,174,309,366,855.44/7,722,632
  6. Step 6: Final answer
    x = 9,216,327.98

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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.