Home / 28,529,553.44-39,370,783.75-16,306,672.88

Finding the Fourth Proportional to 28,529,553.44, 39,370,783.75 and 16,306,672.88

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Solution

The fourth proportional to 28,529,553.44, 39,370,783.75 and 16,306,672.88 is: 22,503,208.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,529,553.44 : 39,370,783.75 = 16,306,672.88 : x
  2. Step 2: Convert to fraction form
    28,529,553.44/39,370,783.75 = 16,306,672.88/x
  3. Step 3: Cross multiply
    28,529,553.44x = 39,370,783.75 × 16,306,672.88
  4. Step 4: Simplify right side
    28,529,553.44x = 642,006,491,640,469.75
  5. Step 5: Solve for x
    x = 642,006,491,640,469.75/28,529,553.44
  6. Step 6: Final answer
    x = 22,503,208.58

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1.5x scale

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.