Home / 13,453,048.20-20,179,572.30-6,630,920.40

Finding the Fourth Proportional to 13,453,048.20, 20,179,572.30 and 6,630,920.40

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Solution

The fourth proportional to 13,453,048.20, 20,179,572.30 and 6,630,920.40 is: 9,946,380.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,453,048.20 : 20,179,572.30 = 6,630,920.40 : x
  2. Step 2: Convert to fraction form
    13,453,048.20/20,179,572.30 = 6,630,920.40/x
  3. Step 3: Cross multiply
    13,453,048.20x = 20,179,572.30 × 6,630,920.40
  4. Step 4: Simplify right side
    13,453,048.20x = 133,809,137,627,344.94
  5. Step 5: Solve for x
    x = 133,809,137,627,344.94/13,453,048.20
  6. Step 6: Final answer
    x = 9,946,380.60

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Similar ratio
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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.