Home / 9,212,469.12-12,713,224.32-5,138,350.56

Finding the Fourth Proportional to 9,212,469.12, 12,713,224.32 and 5,138,350.56

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Solution

The fourth proportional to 9,212,469.12, 12,713,224.32 and 5,138,350.56 is: 7,090,933.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,212,469.12 : 12,713,224.32 = 5,138,350.56 : x
  2. Step 2: Convert to fraction form
    9,212,469.12/12,713,224.32 = 5,138,350.56/x
  3. Step 3: Cross multiply
    9,212,469.12x = 12,713,224.32 × 5,138,350.56
  4. Step 4: Simplify right side
    9,212,469.12x = 65,325,003,304,077.62
  5. Step 5: Solve for x
    x = 65,325,003,304,077.62/9,212,469.12
  6. Step 6: Final answer
    x = 7,090,933.22

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1.5x scale

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.