Home / 21,494,180.46-29,661,676.08-12,201,669.36

Finding the Fourth Proportional to 21,494,180.46, 29,661,676.08 and 12,201,669.36

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Solution

The fourth proportional to 21,494,180.46, 29,661,676.08 and 12,201,669.36 is: 16,838,137.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,494,180.46 : 29,661,676.08 = 12,201,669.36 : x
  2. Step 2: Convert to fraction form
    21,494,180.46/29,661,676.08 = 12,201,669.36/x
  3. Step 3: Cross multiply
    21,494,180.46x = 29,661,676.08 × 12,201,669.36
  4. Step 4: Simplify right side
    21,494,180.46x = 361,921,964,191,580.88
  5. Step 5: Solve for x
    x = 361,921,964,191,580.88/21,494,180.46
  6. Step 6: Final answer
    x = 16,838,137.41

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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.