Home / 12,657,665.54-17,467,662.32-6,856,447.28

Finding the Fourth Proportional to 12,657,665.54, 17,467,662.32 and 6,856,447.28

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Solution

The fourth proportional to 12,657,665.54, 17,467,662.32 and 6,856,447.28 is: 9,461,942.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,657,665.54 : 17,467,662.32 = 6,856,447.28 : x
  2. Step 2: Convert to fraction form
    12,657,665.54/17,467,662.32 = 6,856,447.28/x
  3. Step 3: Cross multiply
    12,657,665.54x = 17,467,662.32 × 6,856,447.28
  4. Step 4: Simplify right side
    12,657,665.54x = 119,766,105,801,922.50
  5. Step 5: Solve for x
    x = 119,766,105,801,922.50/12,657,665.54
  6. Step 6: Final answer
    x = 9,461,942.68

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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.