Home / 21,963,919.72-30,310,156.74-12,040,784.68

Finding the Fourth Proportional to 21,963,919.72, 30,310,156.74 and 12,040,784.68

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Solution

The fourth proportional to 21,963,919.72, 30,310,156.74 and 12,040,784.68 is: 16,616,254.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,963,919.72 : 30,310,156.74 = 12,040,784.68 : x
  2. Step 2: Convert to fraction form
    21,963,919.72/30,310,156.74 = 12,040,784.68/x
  3. Step 3: Cross multiply
    21,963,919.72x = 30,310,156.74 × 12,040,784.68
  4. Step 4: Simplify right side
    21,963,919.72x = 364,958,070,923,390.69
  5. Step 5: Solve for x
    x = 364,958,070,923,390.69/21,963,919.72
  6. Step 6: Final answer
    x = 16,616,254.09

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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.