Home / 8,731,816.72-11,962,631.73-8,404,549.80

Finding the Fourth Proportional to 8,731,816.72, 11,962,631.73 and 8,404,549.80

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Solution

The fourth proportional to 8,731,816.72, 11,962,631.73 and 8,404,549.80 is: 11,514,274.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,731,816.72 : 11,962,631.73 = 8,404,549.80 : x
  2. Step 2: Convert to fraction form
    8,731,816.72/11,962,631.73 = 8,404,549.80/x
  3. Step 3: Cross multiply
    8,731,816.72x = 11,962,631.73 × 8,404,549.80
  4. Step 4: Simplify right side
    8,731,816.72x = 100,540,534,113,845.17
  5. Step 5: Solve for x
    x = 100,540,534,113,845.17/8,731,816.72
  6. Step 6: Final answer
    x = 11,514,274.44

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.