Home / 7,823,218.20-11,734,827.30-5,431,733.70

Finding the Fourth Proportional to 7,823,218.20, 11,734,827.30 and 5,431,733.70

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Solution

The fourth proportional to 7,823,218.20, 11,734,827.30 and 5,431,733.70 is: 8,147,600.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,823,218.20 : 11,734,827.30 = 5,431,733.70 : x
  2. Step 2: Convert to fraction form
    7,823,218.20/11,734,827.30 = 5,431,733.70/x
  3. Step 3: Cross multiply
    7,823,218.20x = 11,734,827.30 × 5,431,733.70
  4. Step 4: Simplify right side
    7,823,218.20x = 63,740,456,909,090.02
  5. Step 5: Solve for x
    x = 63,740,456,909,090.02/7,823,218.20
  6. Step 6: Final answer
    x = 8,147,600.55

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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.