Home / 6,891,391.20-10,332,421.20-3,653,464.80

Finding the Fourth Proportional to 6,891,391.20, 10,332,421.20 and 3,653,464.80

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Solution

The fourth proportional to 6,891,391.20, 10,332,421.20 and 3,653,464.80 is: 5,477,723.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,891,391.20 : 10,332,421.20 = 3,653,464.80 : x
  2. Step 2: Convert to fraction form
    6,891,391.20/10,332,421.20 = 3,653,464.80/x
  3. Step 3: Cross multiply
    6,891,391.20x = 10,332,421.20 × 3,653,464.80
  4. Step 4: Simplify right side
    6,891,391.20x = 37,749,137,152,973.76
  5. Step 5: Solve for x
    x = 37,749,137,152,973.76/6,891,391.20
  6. Step 6: Final answer
    x = 5,477,723.74

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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.