Home / 19,589,859.80-29,384,789.70-10,631,907.80

Finding the Fourth Proportional to 19,589,859.80, 29,384,789.70 and 10,631,907.80

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Solution

The fourth proportional to 19,589,859.80, 29,384,789.70 and 10,631,907.80 is: 15,947,861.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,589,859.80 : 29,384,789.70 = 10,631,907.80 : x
  2. Step 2: Convert to fraction form
    19,589,859.80/29,384,789.70 = 10,631,907.80/x
  3. Step 3: Cross multiply
    19,589,859.80x = 29,384,789.70 × 10,631,907.80
  4. Step 4: Simplify right side
    19,589,859.80x = 312,416,374,812,789.69
  5. Step 5: Solve for x
    x = 312,416,374,812,789.69/19,589,859.80
  6. Step 6: Final answer
    x = 15,947,861.70

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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.