Home / 10,385,245.40-15,580,747.65-4,322,832.80

Finding the Fourth Proportional to 10,385,245.40, 15,580,747.65 and 4,322,832.80

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Solution

The fourth proportional to 10,385,245.40, 15,580,747.65 and 4,322,832.80 is: 6,485,447.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,385,245.40 : 15,580,747.65 = 4,322,832.80 : x
  2. Step 2: Convert to fraction form
    10,385,245.40/15,580,747.65 = 4,322,832.80/x
  3. Step 3: Cross multiply
    10,385,245.40x = 15,580,747.65 × 4,322,832.80
  4. Step 4: Simplify right side
    10,385,245.40x = 67,352,966,989,942.92
  5. Step 5: Solve for x
    x = 67,352,966,989,942.92/10,385,245.40
  6. Step 6: Final answer
    x = 6,485,447.81

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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.