Home / 10,784,634.18-14,880,823.11-6,138,144.78

Finding the Fourth Proportional to 10,784,634.18, 14,880,823.11 and 6,138,144.78

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Solution

The fourth proportional to 10,784,634.18, 14,880,823.11 and 6,138,144.78 is: 8,469,517.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,784,634.18 : 14,880,823.11 = 6,138,144.78 : x
  2. Step 2: Convert to fraction form
    10,784,634.18/14,880,823.11 = 6,138,144.78/x
  3. Step 3: Cross multiply
    10,784,634.18x = 14,880,823.11 × 6,138,144.78
  4. Step 4: Simplify right side
    10,784,634.18x = 91,340,646,694,749.86
  5. Step 5: Solve for x
    x = 91,340,646,694,749.86/10,784,634.18
  6. Step 6: Final answer
    x = 8,469,517.39

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1.5x scale

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.