Home / 7,212,950.52-9,953,871.48-3,949,964.76

Finding the Fourth Proportional to 7,212,950.52, 9,953,871.48 and 3,949,964.76

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Solution

The fourth proportional to 7,212,950.52, 9,953,871.48 and 3,949,964.76 is: 5,450,951.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,212,950.52 : 9,953,871.48 = 3,949,964.76 : x
  2. Step 2: Convert to fraction form
    7,212,950.52/9,953,871.48 = 3,949,964.76/x
  3. Step 3: Cross multiply
    7,212,950.52x = 9,953,871.48 × 3,949,964.76
  4. Step 4: Simplify right side
    7,212,950.52x = 39,317,441,571,569.05
  5. Step 5: Solve for x
    x = 39,317,441,571,569.05/7,212,950.52
  6. Step 6: Final answer
    x = 5,450,951.24

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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.