Home / 6,783,783.20-10,172,467.20-3,944,765.60

Finding the Fourth Proportional to 6,783,783.20, 10,172,467.20 and 3,944,765.60

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Solution

The fourth proportional to 6,783,783.20, 10,172,467.20 and 3,944,765.60 is: 5,915,283.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,783,783.20 : 10,172,467.20 = 3,944,765.60 : x
  2. Step 2: Convert to fraction form
    6,783,783.20/10,172,467.20 = 3,944,765.60/x
  3. Step 3: Cross multiply
    6,783,783.20x = 10,172,467.20 × 3,944,765.60
  4. Step 4: Simplify right side
    6,783,783.20x = 40,127,998,677,688.32
  5. Step 5: Solve for x
    x = 40,127,998,677,688.32/6,783,783.20
  6. Step 6: Final answer
    x = 5,915,283.18

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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.