Home / 6,642,455.30-9,965,432.55-2,382,179.30

Finding the Fourth Proportional to 6,642,455.30, 9,965,432.55 and 2,382,179.30

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Solution

The fourth proportional to 6,642,455.30, 9,965,432.55 and 2,382,179.30 is: 3,573,896.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,642,455.30 : 9,965,432.55 = 2,382,179.30 : x
  2. Step 2: Convert to fraction form
    6,642,455.30/9,965,432.55 = 2,382,179.30/x
  3. Step 3: Cross multiply
    6,642,455.30x = 9,965,432.55 × 2,382,179.30
  4. Step 4: Simplify right side
    6,642,455.30x = 23,739,447,136,156.21
  5. Step 5: Solve for x
    x = 23,739,447,136,156.21/6,642,455.30
  6. Step 6: Final answer
    x = 3,573,896.41

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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.