Home / 11,022,520.80-16,536,575.70-7,790,417.76

Finding the Fourth Proportional to 11,022,520.80, 16,536,575.70 and 7,790,417.76

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Solution

The fourth proportional to 11,022,520.80, 16,536,575.70 and 7,790,417.76 is: 11,687,601.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,022,520.80 : 16,536,575.70 = 7,790,417.76 : x
  2. Step 2: Convert to fraction form
    11,022,520.80/16,536,575.70 = 7,790,417.76/x
  3. Step 3: Cross multiply
    11,022,520.80x = 16,536,575.70 × 7,790,417.76
  4. Step 4: Simplify right side
    11,022,520.80x = 128,826,833,022,864.42
  5. Step 5: Solve for x
    x = 128,826,833,022,864.42/11,022,520.80
  6. Step 6: Final answer
    x = 11,687,601.72

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.