Home / 10,643,604.20-15,965,406.30-7,284,372.20

Finding the Fourth Proportional to 10,643,604.20, 15,965,406.30 and 7,284,372.20

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Solution

The fourth proportional to 10,643,604.20, 15,965,406.30 and 7,284,372.20 is: 10,926,558.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,643,604.20 : 15,965,406.30 = 7,284,372.20 : x
  2. Step 2: Convert to fraction form
    10,643,604.20/15,965,406.30 = 7,284,372.20/x
  3. Step 3: Cross multiply
    10,643,604.20x = 15,965,406.30 × 7,284,372.20
  4. Step 4: Simplify right side
    10,643,604.20x = 116,297,961,813,424.88
  5. Step 5: Solve for x
    x = 116,297,961,813,424.88/10,643,604.20
  6. Step 6: Final answer
    x = 10,926,558.30

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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.