Home / 47,780,661.21-65,942,910.32-27,157,207.47

Finding the Fourth Proportional to 47,780,661.21, 65,942,910.32 and 27,157,207.47

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Solution

The fourth proportional to 47,780,661.21, 65,942,910.32 and 27,157,207.47 is: 37,480,127.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,780,661.21 : 65,942,910.32 = 27,157,207.47 : x
  2. Step 2: Convert to fraction form
    47,780,661.21/65,942,910.32 = 27,157,207.47/x
  3. Step 3: Cross multiply
    47,780,661.21x = 65,942,910.32 × 27,157,207.47
  4. Step 4: Simplify right side
    47,780,661.21x = 1,790,825,296,600,058
  5. Step 5: Solve for x
    x = 1,790,825,296,600,058/47,780,661.21
  6. Step 6: Final answer
    x = 37,480,127.97

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.