Home / 10,741,131.40-16,120,509.90-10,657,150.60

Finding the Fourth Proportional to 10,741,131.40, 16,120,509.90 and 10,657,150.60

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Solution

The fourth proportional to 10,741,131.40, 16,120,509.90 and 10,657,150.60 is: 15,994,469.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,741,131.40 : 16,120,509.90 = 10,657,150.60 : x
  2. Step 2: Convert to fraction form
    10,741,131.40/16,120,509.90 = 10,657,150.60/x
  3. Step 3: Cross multiply
    10,741,131.40x = 16,120,509.90 × 10,657,150.60
  4. Step 4: Simplify right side
    10,741,131.40x = 171,798,701,753,090.94
  5. Step 5: Solve for x
    x = 171,798,701,753,090.94/10,741,131.40
  6. Step 6: Final answer
    x = 15,994,469.80

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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.