Home / 8,309,065.80-12,463,598.70-5,194,000.20

Finding the Fourth Proportional to 8,309,065.80, 12,463,598.70 and 5,194,000.20

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Solution

The fourth proportional to 8,309,065.80, 12,463,598.70 and 5,194,000.20 is: 7,791,000.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,309,065.80 : 12,463,598.70 = 5,194,000.20 : x
  2. Step 2: Convert to fraction form
    8,309,065.80/12,463,598.70 = 5,194,000.20/x
  3. Step 3: Cross multiply
    8,309,065.80x = 12,463,598.70 × 5,194,000.20
  4. Step 4: Simplify right side
    8,309,065.80x = 64,735,934,140,519.74
  5. Step 5: Solve for x
    x = 64,735,934,140,519.74/8,309,065.80
  6. Step 6: Final answer
    x = 7,791,000.30

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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.