Home / 8,881,810.20-13,305,000.60-6,189,175.80

Finding the Fourth Proportional to 8,881,810.20, 13,305,000.60 and 6,189,175.80

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Solution

The fourth proportional to 8,881,810.20, 13,305,000.60 and 6,189,175.80 is: 9,271,419.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,881,810.20 : 13,305,000.60 = 6,189,175.80 : x
  2. Step 2: Convert to fraction form
    8,881,810.20/13,305,000.60 = 6,189,175.80/x
  3. Step 3: Cross multiply
    8,881,810.20x = 13,305,000.60 × 6,189,175.80
  4. Step 4: Simplify right side
    8,881,810.20x = 82,346,987,732,505.47
  5. Step 5: Solve for x
    x = 82,346,987,732,505.47/8,881,810.20
  6. Step 6: Final answer
    x = 9,271,419.44

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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.