Home / 13,585,435-20,372,174.70-7,194,195.88

Finding the Fourth Proportional to 13,585,435, 20,372,174.70 and 7,194,195.88

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Solution

The fourth proportional to 13,585,435, 20,372,174.70 and 7,194,195.88 is: 10,788,128.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,585,435 : 20,372,174.70 = 7,194,195.88 : x
  2. Step 2: Convert to fraction form
    13,585,435/20,372,174.70 = 7,194,195.88/x
  3. Step 3: Cross multiply
    13,585,435x = 20,372,174.70 × 7,194,195.88
  4. Step 4: Simplify right side
    13,585,435x = 146,561,415,293,380.22
  5. Step 5: Solve for x
    x = 146,561,415,293,380.22/13,585,435
  6. Step 6: Final answer
    x = 10,788,128.26

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.