Home / 11,830,410.78-16,326,016.06-6,397,902.78

Finding the Fourth Proportional to 11,830,410.78, 16,326,016.06 and 6,397,902.78

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Solution

The fourth proportional to 11,830,410.78, 16,326,016.06 and 6,397,902.78 is: 8,829,132.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,830,410.78 : 16,326,016.06 = 6,397,902.78 : x
  2. Step 2: Convert to fraction form
    11,830,410.78/16,326,016.06 = 6,397,902.78/x
  3. Step 3: Cross multiply
    11,830,410.78x = 16,326,016.06 × 6,397,902.78
  4. Step 4: Simplify right side
    11,830,410.78x = 104,452,263,536,598.66
  5. Step 5: Solve for x
    x = 104,452,263,536,598.66/11,830,410.78
  6. Step 6: Final answer
    x = 8,829,132.43

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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.