Home / 13,320,077.88-19,979,287.38-8,203,481.40

Finding the Fourth Proportional to 13,320,077.88, 19,979,287.38 and 8,203,481.40

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Solution

The fourth proportional to 13,320,077.88, 19,979,287.38 and 8,203,481.40 is: 12,304,711.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,320,077.88 : 19,979,287.38 = 8,203,481.40 : x
  2. Step 2: Convert to fraction form
    13,320,077.88/19,979,287.38 = 8,203,481.40/x
  3. Step 3: Cross multiply
    13,320,077.88x = 19,979,287.38 × 8,203,481.40
  4. Step 4: Simplify right side
    13,320,077.88x = 163,899,712,407,084.72
  5. Step 5: Solve for x
    x = 163,899,712,407,084.72/13,320,077.88
  6. Step 6: Final answer
    x = 12,304,711.27

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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.