Home / 15,086,625.84-20,819,542.59-8,211,157.11

Finding the Fourth Proportional to 15,086,625.84, 20,819,542.59 and 8,211,157.11

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Solution

The fourth proportional to 15,086,625.84, 20,819,542.59 and 8,211,157.11 is: 11,331,396.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,086,625.84 : 20,819,542.59 = 8,211,157.11 : x
  2. Step 2: Convert to fraction form
    15,086,625.84/20,819,542.59 = 8,211,157.11/x
  3. Step 3: Cross multiply
    15,086,625.84x = 20,819,542.59 × 8,211,157.11
  4. Step 4: Simplify right side
    15,086,625.84x = 170,952,535,164,826.31
  5. Step 5: Solve for x
    x = 170,952,535,164,826.31/15,086,625.84
  6. Step 6: Final answer
    x = 11,331,396.23

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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.