Home / 13,003,917.76-17,945,406.18-7,203,073.17

Finding the Fourth Proportional to 13,003,917.76, 17,945,406.18 and 7,203,073.17

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Solution

The fourth proportional to 13,003,917.76, 17,945,406.18 and 7,203,073.17 is: 9,940,240.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,003,917.76 : 17,945,406.18 = 7,203,073.17 : x
  2. Step 2: Convert to fraction form
    13,003,917.76/17,945,406.18 = 7,203,073.17/x
  3. Step 3: Cross multiply
    13,003,917.76x = 17,945,406.18 × 7,203,073.17
  4. Step 4: Simplify right side
    13,003,917.76x = 129,262,073,779,910.19
  5. Step 5: Solve for x
    x = 129,262,073,779,910.19/13,003,917.76
  6. Step 6: Final answer
    x = 9,940,240.79

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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.