Home / 18,151,914.26-25,048,912.71-9,891,800.47

Finding the Fourth Proportional to 18,151,914.26, 25,048,912.71 and 9,891,800.47

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Solution

The fourth proportional to 18,151,914.26, 25,048,912.71 and 9,891,800.47 is: 13,650,287.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,151,914.26 : 25,048,912.71 = 9,891,800.47 : x
  2. Step 2: Convert to fraction form
    18,151,914.26/25,048,912.71 = 9,891,800.47/x
  3. Step 3: Cross multiply
    18,151,914.26x = 25,048,912.71 × 9,891,800.47
  4. Step 4: Simplify right side
    18,151,914.26x = 247,778,846,487,906.56
  5. Step 5: Solve for x
    x = 247,778,846,487,906.56/18,151,914.26
  6. Step 6: Final answer
    x = 13,650,287.40

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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.