Home / 30,505,855.91-42,087,838.85-17,273,224.69

Finding the Fourth Proportional to 30,505,855.91, 42,087,838.85 and 17,273,224.69

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Solution

The fourth proportional to 30,505,855.91, 42,087,838.85 and 17,273,224.69 is: 23,831,250.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,505,855.91 : 42,087,838.85 = 17,273,224.69 : x
  2. Step 2: Convert to fraction form
    30,505,855.91/42,087,838.85 = 17,273,224.69/x
  3. Step 3: Cross multiply
    30,505,855.91x = 42,087,838.85 × 17,273,224.69
  4. Step 4: Simplify right side
    30,505,855.91x = 726,992,697,045,750.12
  5. Step 5: Solve for x
    x = 726,992,697,045,750.12/30,505,855.91
  6. Step 6: Final answer
    x = 23,831,250.61

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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.