Home / 12,227,517-16,856,189.22-8,545,000.68

Finding the Fourth Proportional to 12,227,517, 16,856,189.22 and 8,545,000.68

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Solution

The fourth proportional to 12,227,517, 16,856,189.22 and 8,545,000.68 is: 11,779,672.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,227,517 : 16,856,189.22 = 8,545,000.68 : x
  2. Step 2: Convert to fraction form
    12,227,517/16,856,189.22 = 8,545,000.68/x
  3. Step 3: Cross multiply
    12,227,517x = 16,856,189.22 × 8,545,000.68
  4. Step 4: Simplify right side
    12,227,517x = 144,036,148,347,108.66
  5. Step 5: Solve for x
    x = 144,036,148,347,108.66/12,227,517
  6. Step 6: Final answer
    x = 11,779,672.71

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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.