Home / 11,839,889.55-16,339,047.54-6,407,381.55

Finding the Fourth Proportional to 11,839,889.55, 16,339,047.54 and 6,407,381.55

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Solution

The fourth proportional to 11,839,889.55, 16,339,047.54 and 6,407,381.55 is: 8,842,186.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,839,889.55 : 16,339,047.54 = 6,407,381.55 : x
  2. Step 2: Convert to fraction form
    11,839,889.55/16,339,047.54 = 6,407,381.55/x
  3. Step 3: Cross multiply
    11,839,889.55x = 16,339,047.54 × 6,407,381.55
  4. Step 4: Simplify right side
    11,839,889.55x = 104,690,511,743,657.44
  5. Step 5: Solve for x
    x = 104,690,511,743,657.44/11,839,889.55
  6. Step 6: Final answer
    x = 8,842,186.52

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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.