Home / 10,505,223.04-15,753,257.76-5,580,176.80

Finding the Fourth Proportional to 10,505,223.04, 15,753,257.76 and 5,580,176.80

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Solution

The fourth proportional to 10,505,223.04, 15,753,257.76 and 5,580,176.80 is: 8,367,834.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,505,223.04 : 15,753,257.76 = 5,580,176.80 : x
  2. Step 2: Convert to fraction form
    10,505,223.04/15,753,257.76 = 5,580,176.80/x
  3. Step 3: Cross multiply
    10,505,223.04x = 15,753,257.76 × 5,580,176.80
  4. Step 4: Simplify right side
    10,505,223.04x = 87,905,963,476,771.97
  5. Step 5: Solve for x
    x = 87,905,963,476,771.97/10,505,223.04
  6. Step 6: Final answer
    x = 8,367,834.09

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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.