Home / 13,398,455.28-18,485,697.24-7,596,781.68

Finding the Fourth Proportional to 13,398,455.28, 18,485,697.24 and 7,596,781.68

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Solution

The fourth proportional to 13,398,455.28, 18,485,697.24 and 7,596,781.68 is: 10,481,193.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,398,455.28 : 18,485,697.24 = 7,596,781.68 : x
  2. Step 2: Convert to fraction form
    13,398,455.28/18,485,697.24 = 7,596,781.68/x
  3. Step 3: Cross multiply
    13,398,455.28x = 18,485,697.24 × 7,596,781.68
  4. Step 4: Simplify right side
    13,398,455.28x = 140,431,806,134,858.55
  5. Step 5: Solve for x
    x = 140,431,806,134,858.55/13,398,455.28
  6. Step 6: Final answer
    x = 10,481,193.78

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.