Home / 18,284,285.70-25,234,884.78-11,317,197.96

Finding the Fourth Proportional to 18,284,285.70, 25,234,884.78 and 11,317,197.96

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Solution

The fourth proportional to 18,284,285.70, 25,234,884.78 and 11,317,197.96 is: 15,619,324.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,284,285.70 : 25,234,884.78 = 11,317,197.96 : x
  2. Step 2: Convert to fraction form
    18,284,285.70/25,234,884.78 = 11,317,197.96/x
  3. Step 3: Cross multiply
    18,284,285.70x = 25,234,884.78 × 11,317,197.96
  4. Step 4: Simplify right side
    18,284,285.70x = 285,588,186,553,051.06
  5. Step 5: Solve for x
    x = 285,588,186,553,051.06/18,284,285.70
  6. Step 6: Final answer
    x = 15,619,324.22

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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.