Home / 16,991,705.80-25,487,558.70-12,244,166.20

Finding the Fourth Proportional to 16,991,705.80, 25,487,558.70 and 12,244,166.20

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Solution

The fourth proportional to 16,991,705.80, 25,487,558.70 and 12,244,166.20 is: 18,366,249.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,991,705.80 : 25,487,558.70 = 12,244,166.20 : x
  2. Step 2: Convert to fraction form
    16,991,705.80/25,487,558.70 = 12,244,166.20/x
  3. Step 3: Cross multiply
    16,991,705.80x = 25,487,558.70 × 12,244,166.20
  4. Step 4: Simplify right side
    16,991,705.80x = 312,073,904,755,055.94
  5. Step 5: Solve for x
    x = 312,073,904,755,055.94/16,991,705.80
  6. Step 6: Final answer
    x = 18,366,249.30

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Similar ratio
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1.5x scale

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.