Home / 6,644,405.70-9,966,608.55-5,581,523.70

Finding the Fourth Proportional to 6,644,405.70, 9,966,608.55 and 5,581,523.70

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Solution

The fourth proportional to 6,644,405.70, 9,966,608.55 and 5,581,523.70 is: 8,372,285.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,644,405.70 : 9,966,608.55 = 5,581,523.70 : x
  2. Step 2: Convert to fraction form
    6,644,405.70/9,966,608.55 = 5,581,523.70/x
  3. Step 3: Cross multiply
    6,644,405.70x = 9,966,608.55 × 5,581,523.70
  4. Step 4: Simplify right side
    6,644,405.70x = 55,628,861,830,447.64
  5. Step 5: Solve for x
    x = 55,628,861,830,447.64/6,644,405.70
  6. Step 6: Final answer
    x = 8,372,285.55

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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.