Home / 21,271,194.37-31,914,832.83-8,326,596.26

Finding the Fourth Proportional to 21,271,194.37, 31,914,832.83 and 8,326,596.26

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Solution

The fourth proportional to 21,271,194.37, 31,914,832.83 and 8,326,596.26 is: 12,493,042.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,271,194.37 : 31,914,832.83 = 8,326,596.26 : x
  2. Step 2: Convert to fraction form
    21,271,194.37/31,914,832.83 = 8,326,596.26/x
  3. Step 3: Cross multiply
    21,271,194.37x = 31,914,832.83 × 8,326,596.26
  4. Step 4: Simplify right side
    21,271,194.37x = 265,741,927,639,170.22
  5. Step 5: Solve for x
    x = 265,741,927,639,170.22/21,271,194.37
  6. Step 6: Final answer
    x = 12,493,042.14

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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.