Home / 13,992,943.29-19,309,999.40-7,797,853.67

Finding the Fourth Proportional to 13,992,943.29, 19,309,999.40 and 7,797,853.67

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Solution

The fourth proportional to 13,992,943.29, 19,309,999.40 and 7,797,853.67 is: 10,760,891.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,992,943.29 : 19,309,999.40 = 7,797,853.67 : x
  2. Step 2: Convert to fraction form
    13,992,943.29/19,309,999.40 = 7,797,853.67/x
  3. Step 3: Cross multiply
    13,992,943.29x = 19,309,999.40 × 7,797,853.67
  4. Step 4: Simplify right side
    13,992,943.29x = 150,576,549,789,481.56
  5. Step 5: Solve for x
    x = 150,576,549,789,481.56/13,992,943.29
  6. Step 6: Final answer
    x = 10,760,891.88

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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.