Home / 20,834,340.23-28,753,155.11-11,544,824.21

Finding the Fourth Proportional to 20,834,340.23, 28,753,155.11 and 11,544,824.21

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Solution

The fourth proportional to 20,834,340.23, 28,753,155.11 and 11,544,824.21 is: 15,932,835.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,834,340.23 : 28,753,155.11 = 11,544,824.21 : x
  2. Step 2: Convert to fraction form
    20,834,340.23/28,753,155.11 = 11,544,824.21/x
  3. Step 3: Cross multiply
    20,834,340.23x = 28,753,155.11 × 11,544,824.21
  4. Step 4: Simplify right side
    20,834,340.23x = 331,950,121,026,323.31
  5. Step 5: Solve for x
    x = 331,950,121,026,323.31/20,834,340.23
  6. Step 6: Final answer
    x = 15,932,835.76

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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.