Home / 7,658,933.10-11,476,589.85-6,643,290.30

Finding the Fourth Proportional to 7,658,933.10, 11,476,589.85 and 6,643,290.30

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Solution

The fourth proportional to 7,658,933.10, 11,476,589.85 and 6,643,290.30 is: 9,954,691.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,658,933.10 : 11,476,589.85 = 6,643,290.30 : x
  2. Step 2: Convert to fraction form
    7,658,933.10/11,476,589.85 = 6,643,290.30/x
  3. Step 3: Cross multiply
    7,658,933.10x = 11,476,589.85 × 6,643,290.30
  4. Step 4: Simplify right side
    7,658,933.10x = 76,242,318,027,583.45
  5. Step 5: Solve for x
    x = 76,242,318,027,583.45/7,658,933.10
  6. Step 6: Final answer
    x = 9,954,691.73

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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.