Home / 11,731,816.32-16,172,941.60-8,236,514.08

Finding the Fourth Proportional to 11,731,816.32, 16,172,941.60 and 8,236,514.08

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Solution

The fourth proportional to 11,731,816.32, 16,172,941.60 and 8,236,514.08 is: 11,354,478.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,731,816.32 : 16,172,941.60 = 8,236,514.08 : x
  2. Step 2: Convert to fraction form
    11,731,816.32/16,172,941.60 = 8,236,514.08/x
  3. Step 3: Cross multiply
    11,731,816.32x = 16,172,941.60 × 8,236,514.08
  4. Step 4: Simplify right side
    11,731,816.32x = 133,208,661,203,417.72
  5. Step 5: Solve for x
    x = 133,208,661,203,417.72/11,731,816.32
  6. Step 6: Final answer
    x = 11,354,478.93

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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.