Home / 21,493,515.19-29,661,533.24-12,200,209.82

Finding the Fourth Proportional to 21,493,515.19, 29,661,533.24 and 12,200,209.82

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Solution

The fourth proportional to 21,493,515.19, 29,661,533.24 and 12,200,209.82 is: 16,836,563.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,493,515.19 : 29,661,533.24 = 12,200,209.82 : x
  2. Step 2: Convert to fraction form
    21,493,515.19/29,661,533.24 = 12,200,209.82/x
  3. Step 3: Cross multiply
    21,493,515.19x = 29,661,533.24 × 12,200,209.82
  4. Step 4: Simplify right side
    21,493,515.19x = 361,876,929,049,903.38
  5. Step 5: Solve for x
    x = 361,876,929,049,903.38/21,493,515.19
  6. Step 6: Final answer
    x = 16,836,563.30

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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.