Home / 10,741,213.20-16,111,819.80-6,494,480.40

Finding the Fourth Proportional to 10,741,213.20, 16,111,819.80 and 6,494,480.40

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Solution

The fourth proportional to 10,741,213.20, 16,111,819.80 and 6,494,480.40 is: 9,741,720.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,741,213.20 : 16,111,819.80 = 6,494,480.40 : x
  2. Step 2: Convert to fraction form
    10,741,213.20/16,111,819.80 = 6,494,480.40/x
  3. Step 3: Cross multiply
    10,741,213.20x = 16,111,819.80 × 6,494,480.40
  4. Step 4: Simplify right side
    10,741,213.20x = 104,637,897,899,431.94
  5. Step 5: Solve for x
    x = 104,637,897,899,431.94/10,741,213.20
  6. Step 6: Final answer
    x = 9,741,720.60

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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.