Home / 12,238,156.74-16,888,974.75-6,731,673.42

Finding the Fourth Proportional to 12,238,156.74, 16,888,974.75 and 6,731,673.42

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Solution

The fourth proportional to 12,238,156.74, 16,888,974.75 and 6,731,673.42 is: 9,289,884.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,238,156.74 : 16,888,974.75 = 6,731,673.42 : x
  2. Step 2: Convert to fraction form
    12,238,156.74/16,888,974.75 = 6,731,673.42/x
  3. Step 3: Cross multiply
    12,238,156.74x = 16,888,974.75 × 6,731,673.42
  4. Step 4: Simplify right side
    12,238,156.74x = 113,691,062,415,626.14
  5. Step 5: Solve for x
    x = 113,691,062,415,626.14/12,238,156.74
  6. Step 6: Final answer
    x = 9,289,884.48

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1.5x scale

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.