Home / 11,669,113.35-16,107,789.74-8,776,856.43

Finding the Fourth Proportional to 11,669,113.35, 16,107,789.74 and 8,776,856.43

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Solution

The fourth proportional to 11,669,113.35, 16,107,789.74 and 8,776,856.43 is: 12,115,381.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,669,113.35 : 16,107,789.74 = 8,776,856.43 : x
  2. Step 2: Convert to fraction form
    11,669,113.35/16,107,789.74 = 8,776,856.43/x
  3. Step 3: Cross multiply
    11,669,113.35x = 16,107,789.74 × 8,776,856.43
  4. Step 4: Simplify right side
    11,669,113.35x = 141,375,757,908,722.75
  5. Step 5: Solve for x
    x = 141,375,757,908,722.75/11,669,113.35
  6. Step 6: Final answer
    x = 12,115,381.32

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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.