Home / 12,678,004.92-19,017,802.86-3,580,814.82

Finding the Fourth Proportional to 12,678,004.92, 19,017,802.86 and 3,580,814.82

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Solution

The fourth proportional to 12,678,004.92, 19,017,802.86 and 3,580,814.82 is: 5,371,446.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,678,004.92 : 19,017,802.86 = 3,580,814.82 : x
  2. Step 2: Convert to fraction form
    12,678,004.92/19,017,802.86 = 3,580,814.82/x
  3. Step 3: Cross multiply
    12,678,004.92x = 19,017,802.86 × 3,580,814.82
  4. Step 4: Simplify right side
    12,678,004.92x = 68,099,230,324,926.38
  5. Step 5: Solve for x
    x = 68,099,230,324,926.38/12,678,004.92
  6. Step 6: Final answer
    x = 5,371,446.91

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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.