Home / 11,679,979.77-17,523,712.43-8,178,185.16

Finding the Fourth Proportional to 11,679,979.77, 17,523,712.43 and 8,178,185.16

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Solution

The fourth proportional to 11,679,979.77, 17,523,712.43 and 8,178,185.16 is: 12,269,898.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,679,979.77 : 17,523,712.43 = 8,178,185.16 : x
  2. Step 2: Convert to fraction form
    11,679,979.77/17,523,712.43 = 8,178,185.16/x
  3. Step 3: Cross multiply
    11,679,979.77x = 17,523,712.43 × 8,178,185.16
  4. Step 4: Simplify right side
    11,679,979.77x = 143,312,164,902,242.62
  5. Step 5: Solve for x
    x = 143,312,164,902,242.62/11,679,979.77
  6. Step 6: Final answer
    x = 12,269,898.38

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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.