Home / 7,177,672.72-9,903,485.64-4,079,952.32

Finding the Fourth Proportional to 7,177,672.72, 9,903,485.64 and 4,079,952.32

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Solution

The fourth proportional to 7,177,672.72, 9,903,485.64 and 4,079,952.32 is: 5,629,366.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,177,672.72 : 9,903,485.64 = 4,079,952.32 : x
  2. Step 2: Convert to fraction form
    7,177,672.72/9,903,485.64 = 4,079,952.32/x
  3. Step 3: Cross multiply
    7,177,672.72x = 9,903,485.64 × 4,079,952.32
  4. Step 4: Simplify right side
    7,177,672.72x = 40,405,749,213,004.69
  5. Step 5: Solve for x
    x = 40,405,749,213,004.69/7,177,672.72
  6. Step 6: Final answer
    x = 5,629,366.34

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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.