Home / 13,103,891.26-18,078,043.39-8,695,695.69

Finding the Fourth Proportional to 13,103,891.26, 18,078,043.39 and 8,695,695.69

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Solution

The fourth proportional to 13,103,891.26, 18,078,043.39 and 8,695,695.69 is: 11,996,525.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,103,891.26 : 18,078,043.39 = 8,695,695.69 : x
  2. Step 2: Convert to fraction form
    13,103,891.26/18,078,043.39 = 8,695,695.69/x
  3. Step 3: Cross multiply
    13,103,891.26x = 18,078,043.39 × 8,695,695.69
  4. Step 4: Simplify right side
    13,103,891.26x = 157,201,163,968,316.72
  5. Step 5: Solve for x
    x = 157,201,163,968,316.72/13,103,891.26
  6. Step 6: Final answer
    x = 11,996,525.37

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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.