Home / 19,420,760.97-29,121,846.68-9,177,071.67

Finding the Fourth Proportional to 19,420,760.97, 29,121,846.68 and 9,177,071.67

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Solution

The fourth proportional to 19,420,760.97, 29,121,846.68 and 9,177,071.67 is: 13,761,215.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,420,760.97 : 29,121,846.68 = 9,177,071.67 : x
  2. Step 2: Convert to fraction form
    19,420,760.97/29,121,846.68 = 9,177,071.67/x
  3. Step 3: Cross multiply
    19,420,760.97x = 29,121,846.68 × 9,177,071.67
  4. Step 4: Simplify right side
    19,420,760.97x = 267,253,274,168,054.25
  5. Step 5: Solve for x
    x = 267,253,274,168,054.25/19,420,760.97
  6. Step 6: Final answer
    x = 13,761,215.36

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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.