Home / 13,213,940.26-18,231,150.90-7,703,414.50

Finding the Fourth Proportional to 13,213,940.26, 18,231,150.90 and 7,703,414.50

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Solution

The fourth proportional to 13,213,940.26, 18,231,150.90 and 7,703,414.50 is: 10,628,329.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,213,940.26 : 18,231,150.90 = 7,703,414.50 : x
  2. Step 2: Convert to fraction form
    13,213,940.26/18,231,150.90 = 7,703,414.50/x
  3. Step 3: Cross multiply
    13,213,940.26x = 18,231,150.90 × 7,703,414.50
  4. Step 4: Simplify right side
    13,213,940.26x = 140,442,112,194,748.03
  5. Step 5: Solve for x
    x = 140,442,112,194,748.03/13,213,940.26
  6. Step 6: Final answer
    x = 10,628,329.58

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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.