Home / 10,866,469.20-16,299,703.80-5,827,621.20

Finding the Fourth Proportional to 10,866,469.20, 16,299,703.80 and 5,827,621.20

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Solution

The fourth proportional to 10,866,469.20, 16,299,703.80 and 5,827,621.20 is: 8,741,431.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,866,469.20 : 16,299,703.80 = 5,827,621.20 : x
  2. Step 2: Convert to fraction form
    10,866,469.20/16,299,703.80 = 5,827,621.20/x
  3. Step 3: Cross multiply
    10,866,469.20x = 16,299,703.80 × 5,827,621.20
  4. Step 4: Simplify right side
    10,866,469.20x = 94,988,499,418,600.56
  5. Step 5: Solve for x
    x = 94,988,499,418,600.56/10,866,469.20
  6. Step 6: Final answer
    x = 8,741,431.80

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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.