Home / 16,218,676.92-22,381,833.48-8,776,338.96

Finding the Fourth Proportional to 16,218,676.92, 22,381,833.48 and 8,776,338.96

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Solution

The fourth proportional to 16,218,676.92, 22,381,833.48 and 8,776,338.96 is: 12,111,379.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,218,676.92 : 22,381,833.48 = 8,776,338.96 : x
  2. Step 2: Convert to fraction form
    16,218,676.92/22,381,833.48 = 8,776,338.96/x
  3. Step 3: Cross multiply
    16,218,676.92x = 22,381,833.48 × 8,776,338.96
  4. Step 4: Simplify right side
    16,218,676.92x = 196,430,557,166,756.41
  5. Step 5: Solve for x
    x = 196,430,557,166,756.41/16,218,676.92
  6. Step 6: Final answer
    x = 12,111,379.87

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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.