Home / 8,611,686-12,917,529-3,563,127.72

Finding the Fourth Proportional to 8,611,686, 12,917,529 and 3,563,127.72

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Solution

The fourth proportional to 8,611,686, 12,917,529 and 3,563,127.72 is: 5,344,691.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,611,686 : 12,917,529 = 3,563,127.72 : x
  2. Step 2: Convert to fraction form
    8,611,686/12,917,529 = 3,563,127.72/x
  3. Step 3: Cross multiply
    8,611,686x = 12,917,529 × 3,563,127.72
  4. Step 4: Simplify right side
    8,611,686x = 46,026,805,653,803.88
  5. Step 5: Solve for x
    x = 46,026,805,653,803.88/8,611,686
  6. Step 6: Final answer
    x = 5,344,691.58

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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.