Home / 8,321,530.20-12,474,422.10-4,912,434.60

Finding the Fourth Proportional to 8,321,530.20, 12,474,422.10 and 4,912,434.60

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Solution

The fourth proportional to 8,321,530.20, 12,474,422.10 and 4,912,434.60 is: 7,364,004.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,321,530.20 : 12,474,422.10 = 4,912,434.60 : x
  2. Step 2: Convert to fraction form
    8,321,530.20/12,474,422.10 = 4,912,434.60/x
  3. Step 3: Cross multiply
    8,321,530.20x = 12,474,422.10 × 4,912,434.60
  4. Step 4: Simplify right side
    8,321,530.20x = 61,279,782,739,044.66
  5. Step 5: Solve for x
    x = 61,279,782,739,044.66/8,321,530.20
  6. Step 6: Final answer
    x = 7,364,004.13

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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.