Home / 16,141,123.78-22,273,945.80-9,170,880.64

Finding the Fourth Proportional to 16,141,123.78, 22,273,945.80 and 9,170,880.64

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Solution

The fourth proportional to 16,141,123.78, 22,273,945.80 and 9,170,880.64 is: 12,655,357.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,141,123.78 : 22,273,945.80 = 9,170,880.64 : x
  2. Step 2: Convert to fraction form
    16,141,123.78/22,273,945.80 = 9,170,880.64/x
  3. Step 3: Cross multiply
    16,141,123.78x = 22,273,945.80 × 9,170,880.64
  4. Step 4: Simplify right side
    16,141,123.78x = 204,271,698,313,629.34
  5. Step 5: Solve for x
    x = 204,271,698,313,629.34/16,141,123.78
  6. Step 6: Final answer
    x = 12,655,357.90

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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.