Home / 13,621,168.36-18,797,342.82-7,509,816.04

Finding the Fourth Proportional to 13,621,168.36, 18,797,342.82 and 7,509,816.04

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Solution

The fourth proportional to 13,621,168.36, 18,797,342.82 and 7,509,816.04 is: 10,363,618.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,621,168.36 : 18,797,342.82 = 7,509,816.04 : x
  2. Step 2: Convert to fraction form
    13,621,168.36/18,797,342.82 = 7,509,816.04/x
  3. Step 3: Cross multiply
    13,621,168.36x = 18,797,342.82 × 7,509,816.04
  4. Step 4: Simplify right side
    13,621,168.36x = 141,164,586,619,014.84
  5. Step 5: Solve for x
    x = 141,164,586,619,014.84/13,621,168.36
  6. Step 6: Final answer
    x = 10,363,618.08

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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.