Home / 23,101,982.94-31,882,507.14-13,179,084.06

Finding the Fourth Proportional to 23,101,982.94, 31,882,507.14 and 13,179,084.06

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Solution

The fourth proportional to 23,101,982.94, 31,882,507.14 and 13,179,084.06 is: 18,188,146.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,101,982.94 : 31,882,507.14 = 13,179,084.06 : x
  2. Step 2: Convert to fraction form
    23,101,982.94/31,882,507.14 = 13,179,084.06/x
  3. Step 3: Cross multiply
    23,101,982.94x = 31,882,507.14 × 13,179,084.06
  4. Step 4: Simplify right side
    23,101,982.94x = 420,182,241,641,610.19
  5. Step 5: Solve for x
    x = 420,182,241,641,610.19/23,101,982.94
  6. Step 6: Final answer
    x = 18,188,146.13

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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.