Home / 13,741,975.40-20,612,963.10-8,698,980.20

Finding the Fourth Proportional to 13,741,975.40, 20,612,963.10 and 8,698,980.20

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Solution

The fourth proportional to 13,741,975.40, 20,612,963.10 and 8,698,980.20 is: 13,048,470.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,741,975.40 : 20,612,963.10 = 8,698,980.20 : x
  2. Step 2: Convert to fraction form
    13,741,975.40/20,612,963.10 = 8,698,980.20/x
  3. Step 3: Cross multiply
    13,741,975.40x = 20,612,963.10 × 8,698,980.20
  4. Step 4: Simplify right side
    13,741,975.40x = 179,311,757,870,230.62
  5. Step 5: Solve for x
    x = 179,311,757,870,230.62/13,741,975.40
  6. Step 6: Final answer
    x = 13,048,470.30

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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.