Home / 18,468,668.68-25,489,294.46-10,628,019.88

Finding the Fourth Proportional to 18,468,668.68, 25,489,294.46 and 10,628,019.88

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Solution

The fourth proportional to 18,468,668.68, 25,489,294.46 and 10,628,019.88 is: 14,668,124.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,468,668.68 : 25,489,294.46 = 10,628,019.88 : x
  2. Step 2: Convert to fraction form
    18,468,668.68/25,489,294.46 = 10,628,019.88/x
  3. Step 3: Cross multiply
    18,468,668.68x = 25,489,294.46 × 10,628,019.88
  4. Step 4: Simplify right side
    18,468,668.68x = 270,900,728,194,913.78
  5. Step 5: Solve for x
    x = 270,900,728,194,913.78/18,468,668.68
  6. Step 6: Final answer
    x = 14,668,124.32

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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.