Home / 15,786,529.20-21,785,410.17-8,543,185.20

Finding the Fourth Proportional to 15,786,529.20, 21,785,410.17 and 8,543,185.20

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Solution

The fourth proportional to 15,786,529.20, 21,785,410.17 and 8,543,185.20 is: 11,789,595.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,786,529.20 : 21,785,410.17 = 8,543,185.20 : x
  2. Step 2: Convert to fraction form
    15,786,529.20/21,785,410.17 = 8,543,185.20/x
  3. Step 3: Cross multiply
    15,786,529.20x = 21,785,410.17 × 8,543,185.20
  4. Step 4: Simplify right side
    15,786,529.20x = 186,116,793,740,273.47
  5. Step 5: Solve for x
    x = 186,116,793,740,273.47/15,786,529.20
  6. Step 6: Final answer
    x = 11,789,595.51

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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.