Home / 12,122,213.09-16,729,045.49-6,895,086.93

Finding the Fourth Proportional to 12,122,213.09, 16,729,045.49 and 6,895,086.93

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Solution

The fourth proportional to 12,122,213.09, 16,729,045.49 and 6,895,086.93 is: 9,515,442.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,122,213.09 : 16,729,045.49 = 6,895,086.93 : x
  2. Step 2: Convert to fraction form
    12,122,213.09/16,729,045.49 = 6,895,086.93/x
  3. Step 3: Cross multiply
    12,122,213.09x = 16,729,045.49 × 6,895,086.93
  4. Step 4: Simplify right side
    12,122,213.09x = 115,348,222,926,712.16
  5. Step 5: Solve for x
    x = 115,348,222,926,712.16/12,122,213.09
  6. Step 6: Final answer
    x = 9,515,442.61

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1.5x scale

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.