Home / 11,022,521.80-16,536,577.20-7,790,418.76

Finding the Fourth Proportional to 11,022,521.80, 16,536,577.20 and 7,790,418.76

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Solution

The fourth proportional to 11,022,521.80, 16,536,577.20 and 7,790,418.76 is: 11,687,603.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,022,521.80 : 16,536,577.20 = 7,790,418.76 : x
  2. Step 2: Convert to fraction form
    11,022,521.80/16,536,577.20 = 7,790,418.76/x
  3. Step 3: Cross multiply
    11,022,521.80x = 16,536,577.20 × 7,790,418.76
  4. Step 4: Simplify right side
    11,022,521.80x = 128,826,861,245,068.27
  5. Step 5: Solve for x
    x = 128,826,861,245,068.27/11,022,521.80
  6. Step 6: Final answer
    x = 11,687,603.22

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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.