Home / 28,756,819.68-43,123,237.20-11,705,917.92

Finding the Fourth Proportional to 28,756,819.68, 43,123,237.20 and 11,705,917.92

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Solution

The fourth proportional to 28,756,819.68, 43,123,237.20 and 11,705,917.92 is: 17,553,995.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,756,819.68 : 43,123,237.20 = 11,705,917.92 : x
  2. Step 2: Convert to fraction form
    28,756,819.68/43,123,237.20 = 11,705,917.92/x
  3. Step 3: Cross multiply
    28,756,819.68x = 43,123,237.20 × 11,705,917.92
  4. Step 4: Simplify right side
    28,756,819.68x = 504,797,075,107,890.62
  5. Step 5: Solve for x
    x = 504,797,075,107,890.62/28,756,819.68
  6. Step 6: Final answer
    x = 17,553,995.22

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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.