Home / 12,476,422.80-18,714,634.20-11,012,007.60

Finding the Fourth Proportional to 12,476,422.80, 18,714,634.20 and 11,012,007.60

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Solution

The fourth proportional to 12,476,422.80, 18,714,634.20 and 11,012,007.60 is: 16,518,011.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,476,422.80 : 18,714,634.20 = 11,012,007.60 : x
  2. Step 2: Convert to fraction form
    12,476,422.80/18,714,634.20 = 11,012,007.60/x
  3. Step 3: Cross multiply
    12,476,422.80x = 18,714,634.20 × 11,012,007.60
  4. Step 4: Simplify right side
    12,476,422.80x = 206,085,694,041,619.91
  5. Step 5: Solve for x
    x = 206,085,694,041,619.91/12,476,422.80
  6. Step 6: Final answer
    x = 16,518,011.40

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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.