Home / 11,878,399.62-16,392,191.46-6,445,891.62

Finding the Fourth Proportional to 11,878,399.62, 16,392,191.46 and 6,445,891.62

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Solution

The fourth proportional to 11,878,399.62, 16,392,191.46 and 6,445,891.62 is: 8,895,330.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,878,399.62 : 16,392,191.46 = 6,445,891.62 : x
  2. Step 2: Convert to fraction form
    11,878,399.62/16,392,191.46 = 6,445,891.62/x
  3. Step 3: Cross multiply
    11,878,399.62x = 16,392,191.46 × 6,445,891.62
  4. Step 4: Simplify right side
    11,878,399.62x = 105,662,289,565,449.58
  5. Step 5: Solve for x
    x = 105,662,289,565,449.58/11,878,399.62
  6. Step 6: Final answer
    x = 8,895,330.43

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1.5x scale

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.