Home / 30,171,378.20-41,640,889.74-16,942,040.24

Finding the Fourth Proportional to 30,171,378.20, 41,640,889.74 and 16,942,040.24

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Solution

The fourth proportional to 30,171,378.20, 41,640,889.74 and 16,942,040.24 is: 23,382,479.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,171,378.20 : 41,640,889.74 = 16,942,040.24 : x
  2. Step 2: Convert to fraction form
    30,171,378.20/41,640,889.74 = 16,942,040.24/x
  3. Step 3: Cross multiply
    30,171,378.20x = 41,640,889.74 × 16,942,040.24
  4. Step 4: Simplify right side
    30,171,378.20x = 705,481,629,604,483.12
  5. Step 5: Solve for x
    x = 705,481,629,604,483.12/30,171,378.20
  6. Step 6: Final answer
    x = 23,382,479.41

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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.