Home / 21,963,920.22-30,310,157.43-12,040,785.18

Finding the Fourth Proportional to 21,963,920.22, 30,310,157.43 and 12,040,785.18

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Solution

The fourth proportional to 21,963,920.22, 30,310,157.43 and 12,040,785.18 is: 16,616,254.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,963,920.22 : 30,310,157.43 = 12,040,785.18 : x
  2. Step 2: Convert to fraction form
    21,963,920.22/30,310,157.43 = 12,040,785.18/x
  3. Step 3: Cross multiply
    21,963,920.22x = 30,310,157.43 × 12,040,785.18
  4. Step 4: Simplify right side
    21,963,920.22x = 364,958,094,386,610.88
  5. Step 5: Solve for x
    x = 364,958,094,386,610.88/21,963,920.22
  6. Step 6: Final answer
    x = 16,616,254.78

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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.