Home / 28,412,179.20-39,206,436.48-16,021,578.24

Finding the Fourth Proportional to 28,412,179.20, 39,206,436.48 and 16,021,578.24

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Solution

The fourth proportional to 28,412,179.20, 39,206,436.48 and 16,021,578.24 is: 22,108,441.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,412,179.20 : 39,206,436.48 = 16,021,578.24 : x
  2. Step 2: Convert to fraction form
    28,412,179.20/39,206,436.48 = 16,021,578.24/x
  3. Step 3: Cross multiply
    28,412,179.20x = 39,206,436.48 × 16,021,578.24
  4. Step 4: Simplify right side
    28,412,179.20x = 628,148,989,575,910.12
  5. Step 5: Solve for x
    x = 628,148,989,575,910.12/28,412,179.20
  6. Step 6: Final answer
    x = 22,108,441.07

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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.