Home / 13,608,017.28-20,413,022.37-5,413,861.35

Finding the Fourth Proportional to 13,608,017.28, 20,413,022.37 and 5,413,861.35

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Solution

The fourth proportional to 13,608,017.28, 20,413,022.37 and 5,413,861.35 is: 8,121,188.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,608,017.28 : 20,413,022.37 = 5,413,861.35 : x
  2. Step 2: Convert to fraction form
    13,608,017.28/20,413,022.37 = 5,413,861.35/x
  3. Step 3: Cross multiply
    13,608,017.28x = 20,413,022.37 × 5,413,861.35
  4. Step 4: Simplify right side
    13,608,017.28x = 110,513,272,845,628.39
  5. Step 5: Solve for x
    x = 110,513,272,845,628.39/13,608,017.28
  6. Step 6: Final answer
    x = 8,121,188.46

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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.