Home / 16,789,231.80-25,183,847.70-13,429,999.80

Finding the Fourth Proportional to 16,789,231.80, 25,183,847.70 and 13,429,999.80

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Solution

The fourth proportional to 16,789,231.80, 25,183,847.70 and 13,429,999.80 is: 20,144,999.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,789,231.80 : 25,183,847.70 = 13,429,999.80 : x
  2. Step 2: Convert to fraction form
    16,789,231.80/25,183,847.70 = 13,429,999.80/x
  3. Step 3: Cross multiply
    16,789,231.80x = 25,183,847.70 × 13,429,999.80
  4. Step 4: Simplify right side
    16,789,231.80x = 338,219,069,574,230.50
  5. Step 5: Solve for x
    x = 338,219,069,574,230.50/16,789,231.80
  6. Step 6: Final answer
    x = 20,144,999.70

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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.