Home / 13,428,679.68-20,145,883.68-4,331,288.16

Finding the Fourth Proportional to 13,428,679.68, 20,145,883.68 and 4,331,288.16

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Solution

The fourth proportional to 13,428,679.68, 20,145,883.68 and 4,331,288.16 is: 6,497,856.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,428,679.68 : 20,145,883.68 = 4,331,288.16 : x
  2. Step 2: Convert to fraction form
    13,428,679.68/20,145,883.68 = 4,331,288.16/x
  3. Step 3: Cross multiply
    13,428,679.68x = 20,145,883.68 × 4,331,288.16
  4. Step 4: Simplify right side
    13,428,679.68x = 87,257,627,455,921.23
  5. Step 5: Solve for x
    x = 87,257,627,455,921.23/13,428,679.68
  6. Step 6: Final answer
    x = 6,497,856.05

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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.