Home / 13,531,788.25-20,315,003.55-11,624,899.21

Finding the Fourth Proportional to 13,531,788.25, 20,315,003.55 and 11,624,899.21

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Solution

The fourth proportional to 13,531,788.25, 20,315,003.55 and 11,624,899.21 is: 17,452,229.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,531,788.25 : 20,315,003.55 = 11,624,899.21 : x
  2. Step 2: Convert to fraction form
    13,531,788.25/20,315,003.55 = 11,624,899.21/x
  3. Step 3: Cross multiply
    13,531,788.25x = 20,315,003.55 × 11,624,899.21
  4. Step 4: Simplify right side
    13,531,788.25x = 236,159,868,625,161.31
  5. Step 5: Solve for x
    x = 236,159,868,625,161.31/13,531,788.25
  6. Step 6: Final answer
    x = 17,452,229.10

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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.