Home / 28,525,469.28-39,364,914.78-15,472,695.12

Finding the Fourth Proportional to 28,525,469.28, 39,364,914.78 and 15,472,695.12

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Solution

The fourth proportional to 28,525,469.28, 39,364,914.78 and 15,472,695.12 is: 21,352,192.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,525,469.28 : 39,364,914.78 = 15,472,695.12 : x
  2. Step 2: Convert to fraction form
    28,525,469.28/39,364,914.78 = 15,472,695.12/x
  3. Step 3: Cross multiply
    28,525,469.28x = 39,364,914.78 × 15,472,695.12
  4. Step 4: Simplify right side
    28,525,469.28x = 609,081,324,815,721.88
  5. Step 5: Solve for x
    x = 609,081,324,815,721.88/28,525,469.28
  6. Step 6: Final answer
    x = 21,352,192.98

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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.