Home / 13,608,476.10-20,384,720.55-6,880,680.90

Finding the Fourth Proportional to 13,608,476.10, 20,384,720.55 and 6,880,680.90

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Solution

The fourth proportional to 13,608,476.10, 20,384,720.55 and 6,880,680.90 is: 10,306,867.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,608,476.10 : 20,384,720.55 = 6,880,680.90 : x
  2. Step 2: Convert to fraction form
    13,608,476.10/20,384,720.55 = 6,880,680.90/x
  3. Step 3: Cross multiply
    13,608,476.10x = 20,384,720.55 × 6,880,680.90
  4. Step 4: Simplify right side
    13,608,476.10x = 140,260,757,340,222.50
  5. Step 5: Solve for x
    x = 140,260,757,340,222.50/13,608,476.10
  6. Step 6: Final answer
    x = 10,306,867.30

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.