Home / 11,878,399.42-16,392,191.19-6,445,891.42

Finding the Fourth Proportional to 11,878,399.42, 16,392,191.19 and 6,445,891.42

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Solution

The fourth proportional to 11,878,399.42, 16,392,191.19 and 6,445,891.42 is: 8,895,330.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,878,399.42 : 16,392,191.19 = 6,445,891.42 : x
  2. Step 2: Convert to fraction form
    11,878,399.42/16,392,191.19 = 6,445,891.42/x
  3. Step 3: Cross multiply
    11,878,399.42x = 16,392,191.19 × 6,445,891.42
  4. Step 4: Simplify right side
    11,878,399.42x = 105,662,284,481,468.02
  5. Step 5: Solve for x
    x = 105,662,284,481,468.02/11,878,399.42
  6. Step 6: Final answer
    x = 8,895,330.15

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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.