Home / 8,194,519.04-12,285,412.34-5,309,790.86

Finding the Fourth Proportional to 8,194,519.04, 12,285,412.34 and 5,309,790.86

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Solution

The fourth proportional to 8,194,519.04, 12,285,412.34 and 5,309,790.86 is: 7,960,561.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,194,519.04 : 12,285,412.34 = 5,309,790.86 : x
  2. Step 2: Convert to fraction form
    8,194,519.04/12,285,412.34 = 5,309,790.86/x
  3. Step 3: Cross multiply
    8,194,519.04x = 12,285,412.34 × 5,309,790.86
  4. Step 4: Simplify right side
    8,194,519.04x = 65,232,970,066,287.20
  5. Step 5: Solve for x
    x = 65,232,970,066,287.20/8,194,519.04
  6. Step 6: Final answer
    x = 7,960,561.17

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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.