Home / 28,320,992.52-42,469,776.72-8,883,735

Finding the Fourth Proportional to 28,320,992.52, 42,469,776.72 and 8,883,735

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Solution

The fourth proportional to 28,320,992.52, 42,469,776.72 and 8,883,735 is: 13,321,928.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,320,992.52 : 42,469,776.72 = 8,883,735 : x
  2. Step 2: Convert to fraction form
    28,320,992.52/42,469,776.72 = 8,883,735/x
  3. Step 3: Cross multiply
    28,320,992.52x = 42,469,776.72 × 8,883,735
  4. Step 4: Simplify right side
    28,320,992.52x = 377,290,241,889,649.19
  5. Step 5: Solve for x
    x = 377,290,241,889,649.19/28,320,992.52
  6. Step 6: Final answer
    x = 13,321,928.66

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.