Home / 13,582,896.30-18,744,532.12-7,388,087.13

Finding the Fourth Proportional to 13,582,896.30, 18,744,532.12 and 7,388,087.13

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Solution

The fourth proportional to 13,582,896.30, 18,744,532.12 and 7,388,087.13 is: 10,195,633.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,582,896.30 : 18,744,532.12 = 7,388,087.13 : x
  2. Step 2: Convert to fraction form
    13,582,896.30/18,744,532.12 = 7,388,087.13/x
  3. Step 3: Cross multiply
    13,582,896.30x = 18,744,532.12 × 7,388,087.13
  4. Step 4: Simplify right side
    13,582,896.30x = 138,486,236,513,643.62
  5. Step 5: Solve for x
    x = 138,486,236,513,643.62/13,582,896.30
  6. Step 6: Final answer
    x = 10,195,633.79

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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.