Home / 20,229,612.83-27,919,422.34-13,266,148.79

Finding the Fourth Proportional to 20,229,612.83, 27,919,422.34 and 13,266,148.79

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Solution

The fourth proportional to 20,229,612.83, 27,919,422.34 and 13,266,148.79 is: 18,308,961.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,229,612.83 : 27,919,422.34 = 13,266,148.79 : x
  2. Step 2: Convert to fraction form
    20,229,612.83/27,919,422.34 = 13,266,148.79/x
  3. Step 3: Cross multiply
    20,229,612.83x = 27,919,422.34 × 13,266,148.79
  4. Step 4: Simplify right side
    20,229,612.83x = 370,383,210,847,498.50
  5. Step 5: Solve for x
    x = 370,383,210,847,498.50/20,229,612.83
  6. Step 6: Final answer
    x = 18,308,961.92

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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.