Home / 12,816,643.31-17,686,989.19-6,936,282.73

Finding the Fourth Proportional to 12,816,643.31, 17,686,989.19 and 6,936,282.73

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Solution

The fourth proportional to 12,816,643.31, 17,686,989.19 and 6,936,282.73 is: 9,572,081.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,816,643.31 : 17,686,989.19 = 6,936,282.73 : x
  2. Step 2: Convert to fraction form
    12,816,643.31/17,686,989.19 = 6,936,282.73/x
  3. Step 3: Cross multiply
    12,816,643.31x = 17,686,989.19 × 6,936,282.73
  4. Step 4: Simplify right side
    12,816,643.31x = 122,681,957,664,293.70
  5. Step 5: Solve for x
    x = 122,681,957,664,293.70/12,816,643.31
  6. Step 6: Final answer
    x = 9,572,081.76

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.