Home / 13,055,104.05-18,016,475.52-7,174,946.66

Finding the Fourth Proportional to 13,055,104.05, 18,016,475.52 and 7,174,946.66

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Solution

The fourth proportional to 13,055,104.05, 18,016,475.52 and 7,174,946.66 is: 9,901,663.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,055,104.05 : 18,016,475.52 = 7,174,946.66 : x
  2. Step 2: Convert to fraction form
    13,055,104.05/18,016,475.52 = 7,174,946.66/x
  3. Step 3: Cross multiply
    13,055,104.05x = 18,016,475.52 × 7,174,946.66
  4. Step 4: Simplify right side
    13,055,104.05x = 129,267,250,857,195.77
  5. Step 5: Solve for x
    x = 129,267,250,857,195.77/13,055,104.05
  6. Step 6: Final answer
    x = 9,901,663.78

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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.