Home / 12,729,362.34-17,566,000.70-7,222,618.64

Finding the Fourth Proportional to 12,729,362.34, 17,566,000.70 and 7,222,618.64

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Solution

The fourth proportional to 12,729,362.34, 17,566,000.70 and 7,222,618.64 is: 9,966,919.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,729,362.34 : 17,566,000.70 = 7,222,618.64 : x
  2. Step 2: Convert to fraction form
    12,729,362.34/17,566,000.70 = 7,222,618.64/x
  3. Step 3: Cross multiply
    12,729,362.34x = 17,566,000.70 × 7,222,618.64
  4. Step 4: Simplify right side
    12,729,362.34x = 126,872,524,086,073.03
  5. Step 5: Solve for x
    x = 126,872,524,086,073.03/12,729,362.34
  6. Step 6: Final answer
    x = 9,966,919.06

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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.