Home / 22,914,171.27-31,620,594.16-12,991,721.64

Finding the Fourth Proportional to 22,914,171.27, 31,620,594.16 and 12,991,721.64

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Solution

The fourth proportional to 22,914,171.27, 31,620,594.16 and 12,991,721.64 is: 17,928,030.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,914,171.27 : 31,620,594.16 = 12,991,721.64 : x
  2. Step 2: Convert to fraction form
    22,914,171.27/31,620,594.16 = 12,991,721.64/x
  3. Step 3: Cross multiply
    22,914,171.27x = 31,620,594.16 × 12,991,721.64
  4. Step 4: Simplify right side
    22,914,171.27x = 410,805,957,457,099.19
  5. Step 5: Solve for x
    x = 410,805,957,457,099.19/22,914,171.27
  6. Step 6: Final answer
    x = 17,928,030.33

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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.