Home / 21,175,615.92-29,222,347.62-12,008,258.64

Finding the Fourth Proportional to 21,175,615.92, 29,222,347.62 and 12,008,258.64

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Solution

The fourth proportional to 21,175,615.92, 29,222,347.62 and 12,008,258.64 is: 16,571,395.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,175,615.92 : 29,222,347.62 = 12,008,258.64 : x
  2. Step 2: Convert to fraction form
    21,175,615.92/29,222,347.62 = 12,008,258.64/x
  3. Step 3: Cross multiply
    21,175,615.92x = 29,222,347.62 × 12,008,258.64
  4. Step 4: Simplify right side
    21,175,615.92x = 350,909,508,288,948.44
  5. Step 5: Solve for x
    x = 350,909,508,288,948.44/21,175,615.92
  6. Step 6: Final answer
    x = 16,571,395.59

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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.