Home / 31,591,393.79-47,387,091.23-7,656,865.79

Finding the Fourth Proportional to 31,591,393.79, 47,387,091.23 and 7,656,865.79

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Solution

The fourth proportional to 31,591,393.79, 47,387,091.23 and 7,656,865.79 is: 11,485,298.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,591,393.79 : 47,387,091.23 = 7,656,865.79 : x
  2. Step 2: Convert to fraction form
    31,591,393.79/47,387,091.23 = 7,656,865.79/x
  3. Step 3: Cross multiply
    31,591,393.79x = 47,387,091.23 × 7,656,865.79
  4. Step 4: Simplify right side
    31,591,393.79x = 362,836,597,688,311.69
  5. Step 5: Solve for x
    x = 362,836,597,688,311.69/31,591,393.79
  6. Step 6: Final answer
    x = 11,485,298.82

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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.