Home / 6,991,071.37-9,644,336.82-5,431,661.70

Finding the Fourth Proportional to 6,991,071.37, 9,644,336.82 and 5,431,661.70

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Solution

The fourth proportional to 6,991,071.37, 9,644,336.82 and 5,431,661.70 is: 7,493,096.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,991,071.37 : 9,644,336.82 = 5,431,661.70 : x
  2. Step 2: Convert to fraction form
    6,991,071.37/9,644,336.82 = 5,431,661.70/x
  3. Step 3: Cross multiply
    6,991,071.37x = 9,644,336.82 × 5,431,661.70
  4. Step 4: Simplify right side
    6,991,071.37x = 52,384,774,890,927.53
  5. Step 5: Solve for x
    x = 52,384,774,890,927.53/6,991,071.37
  6. Step 6: Final answer
    x = 7,493,096.86

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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.