Home / 28,724,007.24-39,638,936.78-16,334,105.48

Finding the Fourth Proportional to 28,724,007.24, 39,638,936.78 and 16,334,105.48

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Solution

The fourth proportional to 28,724,007.24, 39,638,936.78 and 16,334,105.48 is: 22,540,955.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,724,007.24 : 39,638,936.78 = 16,334,105.48 : x
  2. Step 2: Convert to fraction form
    28,724,007.24/39,638,936.78 = 16,334,105.48/x
  3. Step 3: Cross multiply
    28,724,007.24x = 39,638,936.78 × 16,334,105.48
  4. Step 4: Simplify right side
    28,724,007.24x = 647,466,574,479,571.62
  5. Step 5: Solve for x
    x = 647,466,574,479,571.62/28,724,007.24
  6. Step 6: Final answer
    x = 22,540,955.69

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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.