Home / 21,331,824.30-31,997,736.45-17,080,296.30

Finding the Fourth Proportional to 21,331,824.30, 31,997,736.45 and 17,080,296.30

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Solution

The fourth proportional to 21,331,824.30, 31,997,736.45 and 17,080,296.30 is: 25,620,444.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,331,824.30 : 31,997,736.45 = 17,080,296.30 : x
  2. Step 2: Convert to fraction form
    21,331,824.30/31,997,736.45 = 17,080,296.30/x
  3. Step 3: Cross multiply
    21,331,824.30x = 31,997,736.45 × 17,080,296.30
  4. Step 4: Simplify right side
    21,331,824.30x = 546,530,819,495,310.12
  5. Step 5: Solve for x
    x = 546,530,819,495,310.12/21,331,824.30
  6. Step 6: Final answer
    x = 25,620,444.45

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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.