Home / 11,679,997.83-17,523,739.61-8,178,203.19

Finding the Fourth Proportional to 11,679,997.83, 17,523,739.61 and 8,178,203.19

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Solution

The fourth proportional to 11,679,997.83, 17,523,739.61 and 8,178,203.19 is: 12,269,925.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,679,997.83 : 17,523,739.61 = 8,178,203.19 : x
  2. Step 2: Convert to fraction form
    11,679,997.83/17,523,739.61 = 8,178,203.19/x
  3. Step 3: Cross multiply
    11,679,997.83x = 17,523,739.61 × 8,178,203.19
  4. Step 4: Simplify right side
    11,679,997.83x = 143,312,703,179,231.34
  5. Step 5: Solve for x
    x = 143,312,703,179,231.34/11,679,997.83
  6. Step 6: Final answer
    x = 12,269,925.50

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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.