Home / 36,107,891.55-49,828,889.94-20,638,308.36

Finding the Fourth Proportional to 36,107,891.55, 49,828,889.94 and 20,638,308.36

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Solution

The fourth proportional to 36,107,891.55, 49,828,889.94 and 20,638,308.36 is: 28,480,865.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,107,891.55 : 49,828,889.94 = 20,638,308.36 : x
  2. Step 2: Convert to fraction form
    36,107,891.55/49,828,889.94 = 20,638,308.36/x
  3. Step 3: Cross multiply
    36,107,891.55x = 49,828,889.94 × 20,638,308.36
  4. Step 4: Simplify right side
    36,107,891.55x = 1,028,383,995,818,221.88
  5. Step 5: Solve for x
    x = 1,028,383,995,818,221.88/36,107,891.55
  6. Step 6: Final answer
    x = 28,480,865.31

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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.