Home / 13,057,625.12-18,019,960.56-7,256,651.36

Finding the Fourth Proportional to 13,057,625.12, 18,019,960.56 and 7,256,651.36

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Solution

The fourth proportional to 13,057,625.12, 18,019,960.56 and 7,256,651.36 is: 10,014,422.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,057,625.12 : 18,019,960.56 = 7,256,651.36 : x
  2. Step 2: Convert to fraction form
    13,057,625.12/18,019,960.56 = 7,256,651.36/x
  3. Step 3: Cross multiply
    13,057,625.12x = 18,019,960.56 × 7,256,651.36
  4. Step 4: Simplify right side
    13,057,625.12x = 130,764,571,304,870.36
  5. Step 5: Solve for x
    x = 130,764,571,304,870.36/13,057,625.12
  6. Step 6: Final answer
    x = 10,014,422.23

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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.