Home / 14,632,453.08-20,189,137.32-8,439,393.96

Finding the Fourth Proportional to 14,632,453.08, 20,189,137.32 and 8,439,393.96

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Solution

The fourth proportional to 14,632,453.08, 20,189,137.32 and 8,439,393.96 is: 11,644,259.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,632,453.08 : 20,189,137.32 = 8,439,393.96 : x
  2. Step 2: Convert to fraction form
    14,632,453.08/20,189,137.32 = 8,439,393.96/x
  3. Step 3: Cross multiply
    14,632,453.08x = 20,189,137.32 × 8,439,393.96
  4. Step 4: Simplify right side
    14,632,453.08x = 170,384,083,556,018.59
  5. Step 5: Solve for x
    x = 170,384,083,556,018.59/14,632,453.08
  6. Step 6: Final answer
    x = 11,644,259.69

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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.