Home / 47,711,997.80-71,567,996.70-11,810,205.80

Finding the Fourth Proportional to 47,711,997.80, 71,567,996.70 and 11,810,205.80

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Solution

The fourth proportional to 47,711,997.80, 71,567,996.70 and 11,810,205.80 is: 17,715,308.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,711,997.80 : 71,567,996.70 = 11,810,205.80 : x
  2. Step 2: Convert to fraction form
    47,711,997.80/71,567,996.70 = 11,810,205.80/x
  3. Step 3: Cross multiply
    47,711,997.80x = 71,567,996.70 × 11,810,205.80
  4. Step 4: Simplify right side
    47,711,997.80x = 845,232,769,720,721
  5. Step 5: Solve for x
    x = 845,232,769,720,721/47,711,997.80
  6. Step 6: Final answer
    x = 17,715,308.70

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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.