Home / 7,212,950.01-9,953,870.79-3,949,964.25

Finding the Fourth Proportional to 7,212,950.01, 9,953,870.79 and 3,949,964.25

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Solution

The fourth proportional to 7,212,950.01, 9,953,870.79 and 3,949,964.25 is: 5,450,950.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,212,950.01 : 9,953,870.79 = 3,949,964.25 : x
  2. Step 2: Convert to fraction form
    7,212,950.01/9,953,870.79 = 3,949,964.25/x
  3. Step 3: Cross multiply
    7,212,950.01x = 9,953,870.79 × 3,949,964.25
  4. Step 4: Simplify right side
    7,212,950.01x = 39,317,433,769,619.26
  5. Step 5: Solve for x
    x = 39,317,433,769,619.26/7,212,950.01
  6. Step 6: Final answer
    x = 5,450,950.54

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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.