Home / 7,782,001.20-11,686,998.60-5,654,487.60

Finding the Fourth Proportional to 7,782,001.20, 11,686,998.60 and 5,654,487.60

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Solution

The fourth proportional to 7,782,001.20, 11,686,998.60 and 5,654,487.60 is: 8,491,901.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,782,001.20 : 11,686,998.60 = 5,654,487.60 : x
  2. Step 2: Convert to fraction form
    7,782,001.20/11,686,998.60 = 5,654,487.60/x
  3. Step 3: Cross multiply
    7,782,001.20x = 11,686,998.60 × 5,654,487.60
  4. Step 4: Simplify right side
    7,782,001.20x = 66,083,988,664,917.35
  5. Step 5: Solve for x
    x = 66,083,988,664,917.35/7,782,001.20
  6. Step 6: Final answer
    x = 8,491,901.63

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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.