Home / 12,770,490.48-17,623,650.20-6,969,644.68

Finding the Fourth Proportional to 12,770,490.48, 17,623,650.20 and 6,969,644.68

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Solution

The fourth proportional to 12,770,490.48, 17,623,650.20 and 6,969,644.68 is: 9,618,313.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,770,490.48 : 17,623,650.20 = 6,969,644.68 : x
  2. Step 2: Convert to fraction form
    12,770,490.48/17,623,650.20 = 6,969,644.68/x
  3. Step 3: Cross multiply
    12,770,490.48x = 17,623,650.20 × 6,969,644.68
  4. Step 4: Simplify right side
    12,770,490.48x = 122,830,579,858,610.92
  5. Step 5: Solve for x
    x = 122,830,579,858,610.92/12,770,490.48
  6. Step 6: Final answer
    x = 9,618,313.41

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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.