Home / 10,348,083.12-15,523,995.78-4,279,520.20

Finding the Fourth Proportional to 10,348,083.12, 15,523,995.78 and 4,279,520.20

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Solution

The fourth proportional to 10,348,083.12, 15,523,995.78 and 4,279,520.20 is: 6,420,054.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,348,083.12 : 15,523,995.78 = 4,279,520.20 : x
  2. Step 2: Convert to fraction form
    10,348,083.12/15,523,995.78 = 4,279,520.20/x
  3. Step 3: Cross multiply
    10,348,083.12x = 15,523,995.78 × 4,279,520.20
  4. Step 4: Simplify right side
    10,348,083.12x = 66,435,253,525,224.76
  5. Step 5: Solve for x
    x = 66,435,253,525,224.76/10,348,083.12
  6. Step 6: Final answer
    x = 6,420,054.11

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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.