Home / 8,729,818.44-12,042,977.09-6,782,754.21

Finding the Fourth Proportional to 8,729,818.44, 12,042,977.09 and 6,782,754.21

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Solution

The fourth proportional to 8,729,818.44, 12,042,977.09 and 6,782,754.21 is: 9,356,959.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,729,818.44 : 12,042,977.09 = 6,782,754.21 : x
  2. Step 2: Convert to fraction form
    8,729,818.44/12,042,977.09 = 6,782,754.21/x
  3. Step 3: Cross multiply
    8,729,818.44x = 12,042,977.09 × 6,782,754.21
  4. Step 4: Simplify right side
    8,729,818.44x = 81,684,553,558,131.05
  5. Step 5: Solve for x
    x = 81,684,553,558,131.05/8,729,818.44
  6. Step 6: Final answer
    x = 9,356,959.04

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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.