Home / 13,023,976.70-17,972,472.26-7,222,633.88

Finding the Fourth Proportional to 13,023,976.70, 17,972,472.26 and 7,222,633.88

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Solution

The fourth proportional to 13,023,976.70, 17,972,472.26 and 7,222,633.88 is: 9,966,893.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,023,976.70 : 17,972,472.26 = 7,222,633.88 : x
  2. Step 2: Convert to fraction form
    13,023,976.70/17,972,472.26 = 7,222,633.88/x
  3. Step 3: Cross multiply
    13,023,976.70x = 17,972,472.26 × 7,222,633.88
  4. Step 4: Simplify right side
    13,023,976.70x = 129,808,587,016,322.98
  5. Step 5: Solve for x
    x = 129,808,587,016,322.98/13,023,976.70
  6. Step 6: Final answer
    x = 9,966,893.37

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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.