Home / 9,389,642.32-12,958,850.64-5,521,976.56

Finding the Fourth Proportional to 9,389,642.32, 12,958,850.64 and 5,521,976.56

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Solution

The fourth proportional to 9,389,642.32, 12,958,850.64 and 5,521,976.56 is: 7,621,000.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,389,642.32 : 12,958,850.64 = 5,521,976.56 : x
  2. Step 2: Convert to fraction form
    9,389,642.32/12,958,850.64 = 5,521,976.56/x
  3. Step 3: Cross multiply
    9,389,642.32x = 12,958,850.64 × 5,521,976.56
  4. Step 4: Simplify right side
    9,389,642.32x = 71,558,469,478,621
  5. Step 5: Solve for x
    x = 71,558,469,478,621/9,389,642.32
  6. Step 6: Final answer
    x = 7,621,000.57

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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.