Home / 12,972,101.46-19,471,615.80-7,517,852.82

Finding the Fourth Proportional to 12,972,101.46, 19,471,615.80 and 7,517,852.82

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Solution

The fourth proportional to 12,972,101.46, 19,471,615.80 and 7,517,852.82 is: 11,284,581.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,972,101.46 : 19,471,615.80 = 7,517,852.82 : x
  2. Step 2: Convert to fraction form
    12,972,101.46/19,471,615.80 = 7,517,852.82/x
  3. Step 3: Cross multiply
    12,972,101.46x = 19,471,615.80 × 7,517,852.82
  4. Step 4: Simplify right side
    12,972,101.46x = 146,384,741,751,986.56
  5. Step 5: Solve for x
    x = 146,384,741,751,986.56/12,972,101.46
  6. Step 6: Final answer
    x = 11,284,581.93

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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.