Home / 7,187,648.20-10,778,847.90-2,395,493.80

Finding the Fourth Proportional to 7,187,648.20, 10,778,847.90 and 2,395,493.80

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Solution

The fourth proportional to 7,187,648.20, 10,778,847.90 and 2,395,493.80 is: 3,592,366.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,187,648.20 : 10,778,847.90 = 2,395,493.80 : x
  2. Step 2: Convert to fraction form
    7,187,648.20/10,778,847.90 = 2,395,493.80/x
  3. Step 3: Cross multiply
    7,187,648.20x = 10,778,847.90 × 2,395,493.80
  4. Step 4: Simplify right side
    7,187,648.20x = 25,820,663,315,593.02
  5. Step 5: Solve for x
    x = 25,820,663,315,593.02/7,187,648.20
  6. Step 6: Final answer
    x = 3,592,366.04

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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.