Home / 7,939,297.52-11,912,881.32-3,146,880.56

Finding the Fourth Proportional to 7,939,297.52, 11,912,881.32 and 3,146,880.56

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Solution

The fourth proportional to 7,939,297.52, 11,912,881.32 and 3,146,880.56 is: 4,721,880.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,939,297.52 : 11,912,881.32 = 3,146,880.56 : x
  2. Step 2: Convert to fraction form
    7,939,297.52/11,912,881.32 = 3,146,880.56/x
  3. Step 3: Cross multiply
    7,939,297.52x = 11,912,881.32 × 3,146,880.56
  4. Step 4: Simplify right side
    7,939,297.52x = 37,488,414,639,495.14
  5. Step 5: Solve for x
    x = 37,488,414,639,495.14/7,939,297.52
  6. Step 6: Final answer
    x = 4,721,880.56

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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.