Home / 28,420,550.57-39,217,990.43-16,029,961.13

Finding the Fourth Proportional to 28,420,550.57, 39,217,990.43 and 16,029,961.13

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Solution

The fourth proportional to 28,420,550.57, 39,217,990.43 and 16,029,961.13 is: 22,120,009.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,420,550.57 : 39,217,990.43 = 16,029,961.13 : x
  2. Step 2: Convert to fraction form
    28,420,550.57/39,217,990.43 = 16,029,961.13/x
  3. Step 3: Cross multiply
    28,420,550.57x = 39,217,990.43 × 16,029,961.13
  4. Step 4: Simplify right side
    28,420,550.57x = 628,662,862,033,596.88
  5. Step 5: Solve for x
    x = 628,662,862,033,596.88/28,420,550.57
  6. Step 6: Final answer
    x = 22,120,009.98

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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.