Home / 6,927,231.20-10,373,132.10-5,120,331.80

Finding the Fourth Proportional to 6,927,231.20, 10,373,132.10 and 5,120,331.80

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Solution

The fourth proportional to 6,927,231.20, 10,373,132.10 and 5,120,331.80 is: 7,667,403.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,927,231.20 : 10,373,132.10 = 5,120,331.80 : x
  2. Step 2: Convert to fraction form
    6,927,231.20/10,373,132.10 = 5,120,331.80/x
  3. Step 3: Cross multiply
    6,927,231.20x = 10,373,132.10 × 5,120,331.80
  4. Step 4: Simplify right side
    6,927,231.20x = 53,113,878,157,230.77
  5. Step 5: Solve for x
    x = 53,113,878,157,230.77/6,927,231.20
  6. Step 6: Final answer
    x = 7,667,403.70

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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.