Home / 12,770,486.64-17,623,644.84-6,969,640.68

Finding the Fourth Proportional to 12,770,486.64, 17,623,644.84 and 6,969,640.68

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Solution

The fourth proportional to 12,770,486.64, 17,623,644.84 and 6,969,640.68 is: 9,618,307.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,770,486.64 : 17,623,644.84 = 6,969,640.68 : x
  2. Step 2: Convert to fraction form
    12,770,486.64/17,623,644.84 = 6,969,640.68/x
  3. Step 3: Cross multiply
    12,770,486.64x = 17,623,644.84 × 6,969,640.68
  4. Step 4: Simplify right side
    12,770,486.64x = 122,830,472,006,736.08
  5. Step 5: Solve for x
    x = 122,830,472,006,736.08/12,770,486.64
  6. Step 6: Final answer
    x = 9,618,307.86

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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.