Home / 5,384,430.30-8,076,645.45-3,872,775.90

Finding the Fourth Proportional to 5,384,430.30, 8,076,645.45 and 3,872,775.90

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Solution

The fourth proportional to 5,384,430.30, 8,076,645.45 and 3,872,775.90 is: 5,809,163.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,384,430.30 : 8,076,645.45 = 3,872,775.90 : x
  2. Step 2: Convert to fraction form
    5,384,430.30/8,076,645.45 = 3,872,775.90/x
  3. Step 3: Cross multiply
    5,384,430.30x = 8,076,645.45 × 3,872,775.90
  4. Step 4: Simplify right side
    5,384,430.30x = 31,279,037,851,604.66
  5. Step 5: Solve for x
    x = 31,279,037,851,604.66/5,384,430.30
  6. Step 6: Final answer
    x = 5,809,163.85

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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.