Home / 6,638,969.70-9,162,651.24-3,738,927.51

Finding the Fourth Proportional to 6,638,969.70, 9,162,651.24 and 3,738,927.51

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Solution

The fourth proportional to 6,638,969.70, 9,162,651.24 and 3,738,927.51 is: 5,160,211.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,638,969.70 : 9,162,651.24 = 3,738,927.51 : x
  2. Step 2: Convert to fraction form
    6,638,969.70/9,162,651.24 = 3,738,927.51/x
  3. Step 3: Cross multiply
    6,638,969.70x = 9,162,651.24 × 3,738,927.51
  4. Step 4: Simplify right side
    6,638,969.70x = 34,258,488,785,771.61
  5. Step 5: Solve for x
    x = 34,258,488,785,771.61/6,638,969.70
  6. Step 6: Final answer
    x = 5,160,211.65

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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.