Home / 7,693,420.78-10,617,496.50-4,385,793.88

Finding the Fourth Proportional to 7,693,420.78, 10,617,496.50 and 4,385,793.88

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Solution

The fourth proportional to 7,693,420.78, 10,617,496.50 and 4,385,793.88 is: 6,052,723.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,693,420.78 : 10,617,496.50 = 4,385,793.88 : x
  2. Step 2: Convert to fraction form
    7,693,420.78/10,617,496.50 = 4,385,793.88/x
  3. Step 3: Cross multiply
    7,693,420.78x = 10,617,496.50 × 4,385,793.88
  4. Step 4: Simplify right side
    7,693,420.78x = 46,566,151,170,621.42
  5. Step 5: Solve for x
    x = 46,566,151,170,621.42/7,693,420.78
  6. Step 6: Final answer
    x = 6,052,723.81

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.