Home / 13,055,102.54-18,016,473.45-7,174,945.15

Finding the Fourth Proportional to 13,055,102.54, 18,016,473.45 and 7,174,945.15

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Solution

The fourth proportional to 13,055,102.54, 18,016,473.45 and 7,174,945.15 is: 9,901,661.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,055,102.54 : 18,016,473.45 = 7,174,945.15 : x
  2. Step 2: Convert to fraction form
    13,055,102.54/18,016,473.45 = 7,174,945.15/x
  3. Step 3: Cross multiply
    13,055,102.54x = 18,016,473.45 × 7,174,945.15
  4. Step 4: Simplify right side
    13,055,102.54x = 129,267,208,866,936.53
  5. Step 5: Solve for x
    x = 129,267,208,866,936.53/13,055,102.54
  6. Step 6: Final answer
    x = 9,901,661.70

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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.