Home / 12,269,005-16,932,486.58-7,375,811.20

Finding the Fourth Proportional to 12,269,005, 16,932,486.58 and 7,375,811.20

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Solution

The fourth proportional to 12,269,005, 16,932,486.58 and 7,375,811.20 is: 10,179,376.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,269,005 : 16,932,486.58 = 7,375,811.20 : x
  2. Step 2: Convert to fraction form
    12,269,005/16,932,486.58 = 7,375,811.20/x
  3. Step 3: Cross multiply
    12,269,005x = 16,932,486.58 × 7,375,811.20
  4. Step 4: Simplify right side
    12,269,005x = 124,890,824,160,613.69
  5. Step 5: Solve for x
    x = 124,890,824,160,613.69/12,269,005
  6. Step 6: Final answer
    x = 10,179,376.74

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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.