Home / 8,178,339.12-11,288,031.24-5,083,200

Finding the Fourth Proportional to 8,178,339.12, 11,288,031.24 and 5,083,200

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Solution

The fourth proportional to 8,178,339.12, 11,288,031.24 and 5,083,200 is: 7,016,011.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,178,339.12 : 11,288,031.24 = 5,083,200 : x
  2. Step 2: Convert to fraction form
    8,178,339.12/11,288,031.24 = 5,083,200/x
  3. Step 3: Cross multiply
    8,178,339.12x = 11,288,031.24 × 5,083,200
  4. Step 4: Simplify right side
    8,178,339.12x = 57,379,320,399,168
  5. Step 5: Solve for x
    x = 57,379,320,399,168/8,178,339.12
  6. Step 6: Final answer
    x = 7,016,011.39

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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.