Home / 8,279,629.40-12,419,444.10-6,264,090.20

Finding the Fourth Proportional to 8,279,629.40, 12,419,444.10 and 6,264,090.20

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Solution

The fourth proportional to 8,279,629.40, 12,419,444.10 and 6,264,090.20 is: 9,396,135.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,279,629.40 : 12,419,444.10 = 6,264,090.20 : x
  2. Step 2: Convert to fraction form
    8,279,629.40/12,419,444.10 = 6,264,090.20/x
  3. Step 3: Cross multiply
    8,279,629.40x = 12,419,444.10 × 6,264,090.20
  4. Step 4: Simplify right side
    8,279,629.40x = 77,796,518,076,257.81
  5. Step 5: Solve for x
    x = 77,796,518,076,257.81/8,279,629.40
  6. Step 6: Final answer
    x = 9,396,135.30

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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.