Home / 11,388,377.21-15,701,704.63-9,505,111.86

Finding the Fourth Proportional to 11,388,377.21, 15,701,704.63 and 9,505,111.86

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Solution

The fourth proportional to 11,388,377.21, 15,701,704.63 and 9,505,111.86 is: 13,105,155.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,388,377.21 : 15,701,704.63 = 9,505,111.86 : x
  2. Step 2: Convert to fraction form
    11,388,377.21/15,701,704.63 = 9,505,111.86/x
  3. Step 3: Cross multiply
    11,388,377.21x = 15,701,704.63 × 9,505,111.86
  4. Step 4: Simplify right side
    11,388,377.21x = 149,246,458,930,533.38
  5. Step 5: Solve for x
    x = 149,246,458,930,533.38/11,388,377.21
  6. Step 6: Final answer
    x = 13,105,155.92

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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.