Home / 13,017,478.26-17,964,119.61-7,216,245.30

Finding the Fourth Proportional to 13,017,478.26, 17,964,119.61 and 7,216,245.30

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Solution

The fourth proportional to 13,017,478.26, 17,964,119.61 and 7,216,245.30 is: 9,958,418.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,017,478.26 : 17,964,119.61 = 7,216,245.30 : x
  2. Step 2: Convert to fraction form
    13,017,478.26/17,964,119.61 = 7,216,245.30/x
  3. Step 3: Cross multiply
    13,017,478.26x = 17,964,119.61 × 7,216,245.30
  4. Step 4: Simplify right side
    13,017,478.26x = 129,633,493,704,300.33
  5. Step 5: Solve for x
    x = 129,633,493,704,300.33/13,017,478.26
  6. Step 6: Final answer
    x = 9,958,418.30

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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.