Home / 12,689,454.33-17,511,469.11-6,888,240

Finding the Fourth Proportional to 12,689,454.33, 17,511,469.11 and 6,888,240

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Solution

The fourth proportional to 12,689,454.33, 17,511,469.11 and 6,888,240 is: 9,505,783.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,689,454.33 : 17,511,469.11 = 6,888,240 : x
  2. Step 2: Convert to fraction form
    12,689,454.33/17,511,469.11 = 6,888,240/x
  3. Step 3: Cross multiply
    12,689,454.33x = 17,511,469.11 × 6,888,240
  4. Step 4: Simplify right side
    12,689,454.33x = 120,623,201,982,266.39
  5. Step 5: Solve for x
    x = 120,623,201,982,266.39/12,689,454.33
  6. Step 6: Final answer
    x = 9,505,783.22

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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.