Home / 11,879,667.73-16,391,570.25-7,230,338.65

Finding the Fourth Proportional to 11,879,667.73, 16,391,570.25 and 7,230,338.65

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Solution

The fourth proportional to 11,879,667.73, 16,391,570.25 and 7,230,338.65 is: 9,976,424.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,879,667.73 : 16,391,570.25 = 7,230,338.65 : x
  2. Step 2: Convert to fraction form
    11,879,667.73/16,391,570.25 = 7,230,338.65/x
  3. Step 3: Cross multiply
    11,879,667.73x = 16,391,570.25 × 7,230,338.65
  4. Step 4: Simplify right side
    11,879,667.73x = 118,516,603,912,765.17
  5. Step 5: Solve for x
    x = 118,516,603,912,765.17/11,879,667.73
  6. Step 6: Final answer
    x = 9,976,424.14

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.