Home / 12,015,405.74-16,577,181.11-6,787,650.15

Finding the Fourth Proportional to 12,015,405.74, 16,577,181.11 and 6,787,650.15

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Solution

The fourth proportional to 12,015,405.74, 16,577,181.11 and 6,787,650.15 is: 9,364,653.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,015,405.74 : 16,577,181.11 = 6,787,650.15 : x
  2. Step 2: Convert to fraction form
    12,015,405.74/16,577,181.11 = 6,787,650.15/x
  3. Step 3: Cross multiply
    12,015,405.74x = 16,577,181.11 × 6,787,650.15
  4. Step 4: Simplify right side
    12,015,405.74x = 112,520,105,864,837.80
  5. Step 5: Solve for x
    x = 112,520,105,864,837.80/12,015,405.74
  6. Step 6: Final answer
    x = 9,364,653.04

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Double scale
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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.