Home / 13,215,571.36-18,237,213.67-7,334,860.56

Finding the Fourth Proportional to 13,215,571.36, 18,237,213.67 and 7,334,860.56

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Solution

The fourth proportional to 13,215,571.36, 18,237,213.67 and 7,334,860.56 is: 10,121,955.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,215,571.36 : 18,237,213.67 = 7,334,860.56 : x
  2. Step 2: Convert to fraction form
    13,215,571.36/18,237,213.67 = 7,334,860.56/x
  3. Step 3: Cross multiply
    13,215,571.36x = 18,237,213.67 × 7,334,860.56
  4. Step 4: Simplify right side
    13,215,571.36x = 133,767,419,235,224.95
  5. Step 5: Solve for x
    x = 133,767,419,235,224.95/13,215,571.36
  6. Step 6: Final answer
    x = 10,121,955.05

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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.