Home / 12,729,363.34-17,566,002.08-7,222,619.64

Finding the Fourth Proportional to 12,729,363.34, 17,566,002.08 and 7,222,619.64

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Solution

The fourth proportional to 12,729,363.34, 17,566,002.08 and 7,222,619.64 is: 9,966,920.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,729,363.34 : 17,566,002.08 = 7,222,619.64 : x
  2. Step 2: Convert to fraction form
    12,729,363.34/17,566,002.08 = 7,222,619.64/x
  3. Step 3: Cross multiply
    12,729,363.34x = 17,566,002.08 × 7,222,619.64
  4. Step 4: Simplify right side
    12,729,363.34x = 126,872,551,619,288.83
  5. Step 5: Solve for x
    x = 126,872,551,619,288.83/12,729,363.34
  6. Step 6: Final answer
    x = 9,966,920.44

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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.