Home / 21,175,610.92-29,222,340.72-12,008,253.64

Finding the Fourth Proportional to 21,175,610.92, 29,222,340.72 and 12,008,253.64

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Solution

The fourth proportional to 21,175,610.92, 29,222,340.72 and 12,008,253.64 is: 16,571,388.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,175,610.92 : 29,222,340.72 = 12,008,253.64 : x
  2. Step 2: Convert to fraction form
    21,175,610.92/29,222,340.72 = 12,008,253.64/x
  3. Step 3: Cross multiply
    21,175,610.92x = 29,222,340.72 × 12,008,253.64
  4. Step 4: Simplify right side
    21,175,610.92x = 350,909,279,320,260.25
  5. Step 5: Solve for x
    x = 350,909,279,320,260.25/21,175,610.92
  6. Step 6: Final answer
    x = 16,571,388.69

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1.5x scale

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.