Home / 13,341,879.30-18,413,767.89-8,447,556.36

Finding the Fourth Proportional to 13,341,879.30, 18,413,767.89 and 8,447,556.36

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Solution

The fourth proportional to 13,341,879.30, 18,413,767.89 and 8,447,556.36 is: 11,658,877.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,341,879.30 : 18,413,767.89 = 8,447,556.36 : x
  2. Step 2: Convert to fraction form
    13,341,879.30/18,413,767.89 = 8,447,556.36/x
  3. Step 3: Cross multiply
    13,341,879.30x = 18,413,767.89 × 8,447,556.36
  4. Step 4: Simplify right side
    13,341,879.30x = 155,551,342,050,733.28
  5. Step 5: Solve for x
    x = 155,551,342,050,733.28/13,341,879.30
  6. Step 6: Final answer
    x = 11,658,877.93

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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.