Home / 6,327,142.74-8,732,325.96-3,879,321.12

Finding the Fourth Proportional to 6,327,142.74, 8,732,325.96 and 3,879,321.12

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Solution

The fourth proportional to 6,327,142.74, 8,732,325.96 and 3,879,321.12 is: 5,353,995.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,327,142.74 : 8,732,325.96 = 3,879,321.12 : x
  2. Step 2: Convert to fraction form
    6,327,142.74/8,732,325.96 = 3,879,321.12/x
  3. Step 3: Cross multiply
    6,327,142.74x = 8,732,325.96 × 3,879,321.12
  4. Step 4: Simplify right side
    6,327,142.74x = 33,875,496,523,352.28
  5. Step 5: Solve for x
    x = 33,875,496,523,352.28/6,327,142.74
  6. Step 6: Final answer
    x = 5,353,995.94

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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.