Home / 8,463,910.20-11,683,770.12-5,714,320.64

Finding the Fourth Proportional to 8,463,910.20, 11,683,770.12 and 5,714,320.64

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Solution

The fourth proportional to 8,463,910.20, 11,683,770.12 and 5,714,320.64 is: 7,888,175.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,463,910.20 : 11,683,770.12 = 5,714,320.64 : x
  2. Step 2: Convert to fraction form
    8,463,910.20/11,683,770.12 = 5,714,320.64/x
  3. Step 3: Cross multiply
    8,463,910.20x = 11,683,770.12 × 5,714,320.64
  4. Step 4: Simplify right side
    8,463,910.20x = 66,764,808,749,731.27
  5. Step 5: Solve for x
    x = 66,764,808,749,731.27/8,463,910.20
  6. Step 6: Final answer
    x = 7,888,175.46

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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.