Home / 11,879,850.36-16,394,189.22-6,447,342.36

Finding the Fourth Proportional to 11,879,850.36, 16,394,189.22 and 6,447,342.36

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Solution

The fourth proportional to 11,879,850.36, 16,394,189.22 and 6,447,342.36 is: 8,897,330.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,879,850.36 : 16,394,189.22 = 6,447,342.36 : x
  2. Step 2: Convert to fraction form
    11,879,850.36/16,394,189.22 = 6,447,342.36/x
  3. Step 3: Cross multiply
    11,879,850.36x = 16,394,189.22 × 6,447,342.36
  4. Step 4: Simplify right side
    11,879,850.36x = 105,698,950,615,961.38
  5. Step 5: Solve for x
    x = 105,698,950,615,961.38/11,879,850.36
  6. Step 6: Final answer
    x = 8,897,330.14

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Double scale
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1.5x scale

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.