Home / 11,189,989.08-16,784,983.62-7,402,586.22

Finding the Fourth Proportional to 11,189,989.08, 16,784,983.62 and 7,402,586.22

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Solution

The fourth proportional to 11,189,989.08, 16,784,983.62 and 7,402,586.22 is: 11,103,879.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,189,989.08 : 16,784,983.62 = 7,402,586.22 : x
  2. Step 2: Convert to fraction form
    11,189,989.08/16,784,983.62 = 7,402,586.22/x
  3. Step 3: Cross multiply
    11,189,989.08x = 16,784,983.62 × 7,402,586.22
  4. Step 4: Simplify right side
    11,189,989.08x = 124,252,288,448,337.72
  5. Step 5: Solve for x
    x = 124,252,288,448,337.72/11,189,989.08
  6. Step 6: Final answer
    x = 11,103,879.33

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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.