Home / 11,279,314.36-15,565,005.42-6,385,551.60

Finding the Fourth Proportional to 11,279,314.36, 15,565,005.42 and 6,385,551.60

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Solution

The fourth proportional to 11,279,314.36, 15,565,005.42 and 6,385,551.60 is: 8,811,807.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,279,314.36 : 15,565,005.42 = 6,385,551.60 : x
  2. Step 2: Convert to fraction form
    11,279,314.36/15,565,005.42 = 6,385,551.60/x
  3. Step 3: Cross multiply
    11,279,314.36x = 15,565,005.42 × 6,385,551.60
  4. Step 4: Simplify right side
    11,279,314.36x = 99,391,145,298,112.62
  5. Step 5: Solve for x
    x = 99,391,145,298,112.62/11,279,314.36
  6. Step 6: Final answer
    x = 8,811,807.36

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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.