Home / 47,991,243.15-72,003,660.89-13,914,633.87

Finding the Fourth Proportional to 47,991,243.15, 72,003,660.89 and 13,914,633.87

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Solution

The fourth proportional to 47,991,243.15, 72,003,660.89 and 13,914,633.87 is: 20,876,820.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,991,243.15 : 72,003,660.89 = 13,914,633.87 : x
  2. Step 2: Convert to fraction form
    47,991,243.15/72,003,660.89 = 13,914,633.87/x
  3. Step 3: Cross multiply
    47,991,243.15x = 72,003,660.89 × 13,914,633.87
  4. Step 4: Simplify right side
    47,991,243.15x = 1,001,904,578,514,415.25
  5. Step 5: Solve for x
    x = 1,001,904,578,514,415.25/47,991,243.15
  6. Step 6: Final answer
    x = 20,876,820.70

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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.