Home / 31,958,185.80-47,956,961.70-13,771,093.80

Finding the Fourth Proportional to 31,958,185.80, 47,956,961.70 and 13,771,093.80

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Solution

The fourth proportional to 31,958,185.80, 47,956,961.70 and 13,771,093.80 is: 20,665,122.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,958,185.80 : 47,956,961.70 = 13,771,093.80 : x
  2. Step 2: Convert to fraction form
    31,958,185.80/47,956,961.70 = 13,771,093.80/x
  3. Step 3: Cross multiply
    31,958,185.80x = 47,956,961.70 × 13,771,093.80
  4. Step 4: Simplify right side
    31,958,185.80x = 660,419,817,933,707.50
  5. Step 5: Solve for x
    x = 660,419,817,933,707.50/31,958,185.80
  6. Step 6: Final answer
    x = 20,665,122.30

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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.