Home / 13,493,882.88-18,621,239.04-7,382,361.60

Finding the Fourth Proportional to 13,493,882.88, 18,621,239.04 and 7,382,361.60

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Solution

The fourth proportional to 13,493,882.88, 18,621,239.04 and 7,382,361.60 is: 10,187,484.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,493,882.88 : 18,621,239.04 = 7,382,361.60 : x
  2. Step 2: Convert to fraction form
    13,493,882.88/18,621,239.04 = 7,382,361.60/x
  3. Step 3: Cross multiply
    13,493,882.88x = 18,621,239.04 × 7,382,361.60
  4. Step 4: Simplify right side
    13,493,882.88x = 137,468,720,033,316.84
  5. Step 5: Solve for x
    x = 137,468,720,033,316.84/13,493,882.88
  6. Step 6: Final answer
    x = 10,187,484.30

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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.