Home / 11,781,078.72-17,648,523.36-6,105,026.40

Finding the Fourth Proportional to 11,781,078.72, 17,648,523.36 and 6,105,026.40

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Solution

The fourth proportional to 11,781,078.72, 17,648,523.36 and 6,105,026.40 is: 9,145,571.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,781,078.72 : 17,648,523.36 = 6,105,026.40 : x
  2. Step 2: Convert to fraction form
    11,781,078.72/17,648,523.36 = 6,105,026.40/x
  3. Step 3: Cross multiply
    11,781,078.72x = 17,648,523.36 × 6,105,026.40
  4. Step 4: Simplify right side
    11,781,078.72x = 107,744,701,033,816.70
  5. Step 5: Solve for x
    x = 107,744,701,033,816.70/11,781,078.72
  6. Step 6: Final answer
    x = 9,145,571.78

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.