Home / 31,958,168.80-47,956,936.20-13,771,076.80

Finding the Fourth Proportional to 31,958,168.80, 47,956,936.20 and 13,771,076.80

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Solution

The fourth proportional to 31,958,168.80, 47,956,936.20 and 13,771,076.80 is: 20,665,096.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,958,168.80 : 47,956,936.20 = 13,771,076.80 : x
  2. Step 2: Convert to fraction form
    31,958,168.80/47,956,936.20 = 13,771,076.80/x
  3. Step 3: Cross multiply
    31,958,168.80x = 47,956,936.20 × 13,771,076.80
  4. Step 4: Simplify right side
    31,958,168.80x = 660,418,651,502,900.25
  5. Step 5: Solve for x
    x = 660,418,651,502,900.25/31,958,168.80
  6. Step 6: Final answer
    x = 20,665,096.79

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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.