Home / 21,094,941.23-31,643,629.89-8,141,159.12

Finding the Fourth Proportional to 21,094,941.23, 31,643,629.89 and 8,141,159.12

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Solution

The fourth proportional to 21,094,941.23, 31,643,629.89 and 8,141,159.12 is: 12,212,208.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,094,941.23 : 31,643,629.89 = 8,141,159.12 : x
  2. Step 2: Convert to fraction form
    21,094,941.23/31,643,629.89 = 8,141,159.12/x
  3. Step 3: Cross multiply
    21,094,941.23x = 31,643,629.89 × 8,141,159.12
  4. Step 4: Simplify right side
    21,094,941.23x = 257,615,825,910,659.97
  5. Step 5: Solve for x
    x = 257,615,825,910,659.97/21,094,941.23
  6. Step 6: Final answer
    x = 12,212,208.75

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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.