Home / 18,718,158.72-28,077,163.92-5,939,659.92

Finding the Fourth Proportional to 18,718,158.72, 28,077,163.92 and 5,939,659.92

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Solution

The fourth proportional to 18,718,158.72, 28,077,163.92 and 5,939,659.92 is: 8,909,466.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,718,158.72 : 28,077,163.92 = 5,939,659.92 : x
  2. Step 2: Convert to fraction form
    18,718,158.72/28,077,163.92 = 5,939,659.92/x
  3. Step 3: Cross multiply
    18,718,158.72x = 28,077,163.92 × 5,939,659.92
  4. Step 4: Simplify right side
    18,718,158.72x = 166,768,805,202,894.09
  5. Step 5: Solve for x
    x = 166,768,805,202,894.09/18,718,158.72
  6. Step 6: Final answer
    x = 8,909,466.35

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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.