Home / 13,840,090.78-20,764,578.22-6,652,145.92

Finding the Fourth Proportional to 13,840,090.78, 20,764,578.22 and 6,652,145.92

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Solution

The fourth proportional to 13,840,090.78, 20,764,578.22 and 6,652,145.92 is: 9,980,353.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,840,090.78 : 20,764,578.22 = 6,652,145.92 : x
  2. Step 2: Convert to fraction form
    13,840,090.78/20,764,578.22 = 6,652,145.92/x
  3. Step 3: Cross multiply
    13,840,090.78x = 20,764,578.22 × 6,652,145.92
  4. Step 4: Simplify right side
    13,840,090.78x = 138,129,004,286,693.86
  5. Step 5: Solve for x
    x = 138,129,004,286,693.86/13,840,090.78
  6. Step 6: Final answer
    x = 9,980,353.92

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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.