Home / 9,868,137.28-13,610,489.44-8,493,782.72

Finding the Fourth Proportional to 9,868,137.28, 13,610,489.44 and 8,493,782.72

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Solution

The fourth proportional to 9,868,137.28, 13,610,489.44 and 8,493,782.72 is: 11,714,930.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,868,137.28 : 13,610,489.44 = 8,493,782.72 : x
  2. Step 2: Convert to fraction form
    9,868,137.28/13,610,489.44 = 8,493,782.72/x
  3. Step 3: Cross multiply
    9,868,137.28x = 13,610,489.44 × 8,493,782.72
  4. Step 4: Simplify right side
    9,868,137.28x = 115,604,540,016,214.48
  5. Step 5: Solve for x
    x = 115,604,540,016,214.48/9,868,137.28
  6. Step 6: Final answer
    x = 11,714,930.26

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Why These Related Problems?

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