Home / 11,830,412.78-16,326,018.82-6,397,904.78

Finding the Fourth Proportional to 11,830,412.78, 16,326,018.82 and 6,397,904.78

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Solution

The fourth proportional to 11,830,412.78, 16,326,018.82 and 6,397,904.78 is: 8,829,135.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,830,412.78 : 16,326,018.82 = 6,397,904.78 : x
  2. Step 2: Convert to fraction form
    11,830,412.78/16,326,018.82 = 6,397,904.78/x
  3. Step 3: Cross multiply
    11,830,412.78x = 16,326,018.82 × 6,397,904.78
  4. Step 4: Simplify right side
    11,830,412.78x = 104,452,313,846,847.97
  5. Step 5: Solve for x
    x = 104,452,313,846,847.97/11,830,412.78
  6. Step 6: Final answer
    x = 8,829,135.19

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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.