Home / 13,728,334.94-18,945,104.58-7,616,748.86

Finding the Fourth Proportional to 13,728,334.94, 18,945,104.58 and 7,616,748.86

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Solution

The fourth proportional to 13,728,334.94, 18,945,104.58 and 7,616,748.86 is: 10,511,114.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,728,334.94 : 18,945,104.58 = 7,616,748.86 : x
  2. Step 2: Convert to fraction form
    13,728,334.94/18,945,104.58 = 7,616,748.86/x
  3. Step 3: Cross multiply
    13,728,334.94x = 18,945,104.58 × 7,616,748.86
  4. Step 4: Simplify right side
    13,728,334.94x = 144,300,103,712,295.78
  5. Step 5: Solve for x
    x = 144,300,103,712,295.78/13,728,334.94
  6. Step 6: Final answer
    x = 10,511,114.74

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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.