Home / 11,115,499.72-15,342,273.30-6,289,403.08

Finding the Fourth Proportional to 11,115,499.72, 15,342,273.30 and 6,289,403.08

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Solution

The fourth proportional to 11,115,499.72, 15,342,273.30 and 6,289,403.08 is: 8,681,007.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,115,499.72 : 15,342,273.30 = 6,289,403.08 : x
  2. Step 2: Convert to fraction form
    11,115,499.72/15,342,273.30 = 6,289,403.08/x
  3. Step 3: Cross multiply
    11,115,499.72x = 15,342,273.30 × 6,289,403.08
  4. Step 4: Simplify right side
    11,115,499.72x = 96,493,740,947,221.77
  5. Step 5: Solve for x
    x = 96,493,740,947,221.77/11,115,499.72
  6. Step 6: Final answer
    x = 8,681,007.91

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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.