Home / 15,174,636.88-20,939,732.97-8,558,860.77

Finding the Fourth Proportional to 15,174,636.88, 20,939,732.97 and 8,558,860.77

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Solution

The fourth proportional to 15,174,636.88, 20,939,732.97 and 8,558,860.77 is: 11,810,513.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,174,636.88 : 20,939,732.97 = 8,558,860.77 : x
  2. Step 2: Convert to fraction form
    15,174,636.88/20,939,732.97 = 8,558,860.77/x
  3. Step 3: Cross multiply
    15,174,636.88x = 20,939,732.97 × 8,558,860.77
  4. Step 4: Simplify right side
    15,174,636.88x = 179,220,259,051,208.56
  5. Step 5: Solve for x
    x = 179,220,259,051,208.56/15,174,636.88
  6. Step 6: Final answer
    x = 11,810,513.85

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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.