Home / 17,918,404.20-26,856,611.10-13,425,431.40

Finding the Fourth Proportional to 17,918,404.20, 26,856,611.10 and 13,425,431.40

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Solution

The fourth proportional to 17,918,404.20, 26,856,611.10 and 13,425,431.40 is: 20,122,416.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,918,404.20 : 26,856,611.10 = 13,425,431.40 : x
  2. Step 2: Convert to fraction form
    17,918,404.20/26,856,611.10 = 13,425,431.40/x
  3. Step 3: Cross multiply
    17,918,404.20x = 26,856,611.10 × 13,425,431.40
  4. Step 4: Simplify right side
    17,918,404.20x = 360,561,589,959,528.56
  5. Step 5: Solve for x
    x = 360,561,589,959,528.56/17,918,404.20
  6. Step 6: Final answer
    x = 20,122,416.37

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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.