Home / 13,771,272.10-20,656,908.15-6,213,000.10

Finding the Fourth Proportional to 13,771,272.10, 20,656,908.15 and 6,213,000.10

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Solution

The fourth proportional to 13,771,272.10, 20,656,908.15 and 6,213,000.10 is: 9,319,500.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,771,272.10 : 20,656,908.15 = 6,213,000.10 : x
  2. Step 2: Convert to fraction form
    13,771,272.10/20,656,908.15 = 6,213,000.10/x
  3. Step 3: Cross multiply
    13,771,272.10x = 20,656,908.15 × 6,213,000.10
  4. Step 4: Simplify right side
    13,771,272.10x = 128,341,372,401,640.80
  5. Step 5: Solve for x
    x = 128,341,372,401,640.80/13,771,272.10
  6. Step 6: Final answer
    x = 9,319,500.15

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Double scale
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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.