Home / 12,729,421.56-17,566,356.42-6,928,331.16

Finding the Fourth Proportional to 12,729,421.56, 17,566,356.42 and 6,928,331.16

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Solution

The fourth proportional to 12,729,421.56, 17,566,356.42 and 6,928,331.16 is: 9,560,963.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,729,421.56 : 17,566,356.42 = 6,928,331.16 : x
  2. Step 2: Convert to fraction form
    12,729,421.56/17,566,356.42 = 6,928,331.16/x
  3. Step 3: Cross multiply
    12,729,421.56x = 17,566,356.42 × 6,928,331.16
  4. Step 4: Simplify right side
    12,729,421.56x = 121,705,534,552,352.06
  5. Step 5: Solve for x
    x = 121,705,534,552,352.06/12,729,421.56
  6. Step 6: Final answer
    x = 9,560,963.47

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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.