Home / 7,338,772.20-10,997,660.70-5,404,589.40

Finding the Fourth Proportional to 7,338,772.20, 10,997,660.70 and 5,404,589.40

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Solution

The fourth proportional to 7,338,772.20, 10,997,660.70 and 5,404,589.40 is: 8,099,153.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,338,772.20 : 10,997,660.70 = 5,404,589.40 : x
  2. Step 2: Convert to fraction form
    7,338,772.20/10,997,660.70 = 5,404,589.40/x
  3. Step 3: Cross multiply
    7,338,772.20x = 10,997,660.70 × 5,404,589.40
  4. Step 4: Simplify right side
    7,338,772.20x = 59,437,840,444,016.58
  5. Step 5: Solve for x
    x = 59,437,840,444,016.58/7,338,772.20
  6. Step 6: Final answer
    x = 8,099,153.21

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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.