Home / 13,029,061.20-19,543,591.80-9,669,829.20

Finding the Fourth Proportional to 13,029,061.20, 19,543,591.80 and 9,669,829.20

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Solution

The fourth proportional to 13,029,061.20, 19,543,591.80 and 9,669,829.20 is: 14,504,743.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,029,061.20 : 19,543,591.80 = 9,669,829.20 : x
  2. Step 2: Convert to fraction form
    13,029,061.20/19,543,591.80 = 9,669,829.20/x
  3. Step 3: Cross multiply
    13,029,061.20x = 19,543,591.80 × 9,669,829.20
  4. Step 4: Simplify right side
    13,029,061.20x = 188,983,194,660,520.56
  5. Step 5: Solve for x
    x = 188,983,194,660,520.56/13,029,061.20
  6. Step 6: Final answer
    x = 14,504,743.80

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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.