Home / 25,207,905.80-37,811,858.70-20,169,057.80

Finding the Fourth Proportional to 25,207,905.80, 37,811,858.70 and 20,169,057.80

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Solution

The fourth proportional to 25,207,905.80, 37,811,858.70 and 20,169,057.80 is: 30,253,586.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,207,905.80 : 37,811,858.70 = 20,169,057.80 : x
  2. Step 2: Convert to fraction form
    25,207,905.80/37,811,858.70 = 20,169,057.80/x
  3. Step 3: Cross multiply
    25,207,905.80x = 37,811,858.70 × 20,169,057.80
  4. Step 4: Simplify right side
    25,207,905.80x = 762,629,563,645,733
  5. Step 5: Solve for x
    x = 762,629,563,645,733/25,207,905.80
  6. Step 6: Final answer
    x = 30,253,586.70

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Double scale
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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.