Home / 7,212,144.65-9,952,723.08-3,948,900.08

Finding the Fourth Proportional to 7,212,144.65, 9,952,723.08 and 3,948,900.08

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Solution

The fourth proportional to 7,212,144.65, 9,952,723.08 and 3,948,900.08 is: 5,449,462.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,212,144.65 : 9,952,723.08 = 3,948,900.08 : x
  2. Step 2: Convert to fraction form
    7,212,144.65/9,952,723.08 = 3,948,900.08/x
  3. Step 3: Cross multiply
    7,212,144.65x = 9,952,723.08 × 3,948,900.08
  4. Step 4: Simplify right side
    7,212,144.65x = 39,302,308,966,829.84
  5. Step 5: Solve for x
    x = 39,302,308,966,829.84/7,212,144.65
  6. Step 6: Final answer
    x = 5,449,462.11

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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.