Home / 12,202,913.28-16,840,022.40-6,770,392.32

Finding the Fourth Proportional to 12,202,913.28, 16,840,022.40 and 6,770,392.32

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Solution

The fourth proportional to 12,202,913.28, 16,840,022.40 and 6,770,392.32 is: 9,343,142.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,202,913.28 : 16,840,022.40 = 6,770,392.32 : x
  2. Step 2: Convert to fraction form
    12,202,913.28/16,840,022.40 = 6,770,392.32/x
  3. Step 3: Cross multiply
    12,202,913.28x = 16,840,022.40 × 6,770,392.32
  4. Step 4: Simplify right side
    12,202,913.28x = 114,013,558,325,587.97
  5. Step 5: Solve for x
    x = 114,013,558,325,587.97/12,202,913.28
  6. Step 6: Final answer
    x = 9,343,142.55

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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.