Home / 13,315,594.68-18,375,524.60-7,515,605.07

Finding the Fourth Proportional to 13,315,594.68, 18,375,524.60 and 7,515,605.07

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Solution

The fourth proportional to 13,315,594.68, 18,375,524.60 and 7,515,605.07 is: 10,371,537.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,315,594.68 : 18,375,524.60 = 7,515,605.07 : x
  2. Step 2: Convert to fraction form
    13,315,594.68/18,375,524.60 = 7,515,605.07/x
  3. Step 3: Cross multiply
    13,315,594.68x = 18,375,524.60 × 7,515,605.07
  4. Step 4: Simplify right side
    13,315,594.68x = 138,103,185,810,091.69
  5. Step 5: Solve for x
    x = 138,103,185,810,091.69/13,315,594.68
  6. Step 6: Final answer
    x = 10,371,537.22

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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.