Home / 12,846,536.20-17,728,192.74-7,414,028.20

Finding the Fourth Proportional to 12,846,536.20, 17,728,192.74 and 7,414,028.20

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Solution

The fourth proportional to 12,846,536.20, 17,728,192.74 and 7,414,028.20 is: 10,231,343.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,846,536.20 : 17,728,192.74 = 7,414,028.20 : x
  2. Step 2: Convert to fraction form
    12,846,536.20/17,728,192.74 = 7,414,028.20/x
  3. Step 3: Cross multiply
    12,846,536.20x = 17,728,192.74 × 7,414,028.20
  4. Step 4: Simplify right side
    12,846,536.20x = 131,437,320,909,395.27
  5. Step 5: Solve for x
    x = 131,437,320,909,395.27/12,846,536.20
  6. Step 6: Final answer
    x = 10,231,343.21

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1.5x scale

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.