Home / 30,178,628.88-41,647,512.70-16,950,133.40

Finding the Fourth Proportional to 30,178,628.88, 41,647,512.70 and 16,950,133.40

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Solution

The fourth proportional to 30,178,628.88, 41,647,512.70 and 16,950,133.40 is: 23,391,748.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,178,628.88 : 41,647,512.70 = 16,950,133.40 : x
  2. Step 2: Convert to fraction form
    30,178,628.88/41,647,512.70 = 16,950,133.40/x
  3. Step 3: Cross multiply
    30,178,628.88x = 41,647,512.70 × 16,950,133.40
  4. Step 4: Simplify right side
    30,178,628.88x = 705,930,896,043,194.12
  5. Step 5: Solve for x
    x = 705,930,896,043,194.12/30,178,628.88
  6. Step 6: Final answer
    x = 23,391,748.47

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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.