Home / 7,638,380.83-10,540,755.25-4,200,621.85

Finding the Fourth Proportional to 7,638,380.83, 10,540,755.25 and 4,200,621.85

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Solution

The fourth proportional to 7,638,380.83, 10,540,755.25 and 4,200,621.85 is: 5,796,742.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,638,380.83 : 10,540,755.25 = 4,200,621.85 : x
  2. Step 2: Convert to fraction form
    7,638,380.83/10,540,755.25 = 4,200,621.85/x
  3. Step 3: Cross multiply
    7,638,380.83x = 10,540,755.25 × 4,200,621.85
  4. Step 4: Simplify right side
    7,638,380.83x = 44,277,726,818,652.21
  5. Step 5: Solve for x
    x = 44,277,726,818,652.21/7,638,380.83
  6. Step 6: Final answer
    x = 5,796,742.50

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.