Home / 11,900,005.72-17,850,007.08-7,855,545.94

Finding the Fourth Proportional to 11,900,005.72, 17,850,007.08 and 7,855,545.94

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Solution

The fourth proportional to 11,900,005.72, 17,850,007.08 and 7,855,545.94 is: 11,783,317.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,900,005.72 : 17,850,007.08 = 7,855,545.94 : x
  2. Step 2: Convert to fraction form
    11,900,005.72/17,850,007.08 = 7,855,545.94/x
  3. Step 3: Cross multiply
    11,900,005.72x = 17,850,007.08 × 7,855,545.94
  4. Step 4: Simplify right side
    11,900,005.72x = 140,221,550,646,265.25
  5. Step 5: Solve for x
    x = 140,221,550,646,265.25/11,900,005.72
  6. Step 6: Final answer
    x = 11,783,317.92

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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.