Home / 28,331,494.12-39,092,584.26-15,939,867.88

Finding the Fourth Proportional to 28,331,494.12, 39,092,584.26 and 15,939,867.88

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Solution

The fourth proportional to 28,331,494.12, 39,092,584.26 and 15,939,867.88 is: 21,994,273.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,331,494.12 : 39,092,584.26 = 15,939,867.88 : x
  2. Step 2: Convert to fraction form
    28,331,494.12/39,092,584.26 = 15,939,867.88/x
  3. Step 3: Cross multiply
    28,331,494.12x = 39,092,584.26 × 15,939,867.88
  4. Step 4: Simplify right side
    28,331,494.12x = 623,130,628,192,167.62
  5. Step 5: Solve for x
    x = 623,130,628,192,167.62/28,331,494.12
  6. Step 6: Final answer
    x = 21,994,273.42

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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.