Home / 8,731,840.30-11,962,663.88-8,404,573.30

Finding the Fourth Proportional to 8,731,840.30, 11,962,663.88 and 8,404,573.30

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Solution

The fourth proportional to 8,731,840.30, 11,962,663.88 and 8,404,573.30 is: 11,514,306.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,731,840.30 : 11,962,663.88 = 8,404,573.30 : x
  2. Step 2: Convert to fraction form
    8,731,840.30/11,962,663.88 = 8,404,573.30/x
  3. Step 3: Cross multiply
    8,731,840.30x = 11,962,663.88 × 8,404,573.30
  4. Step 4: Simplify right side
    8,731,840.30x = 100,541,085,442,722.42
  5. Step 5: Solve for x
    x = 100,541,085,442,722.42/8,731,840.30
  6. Step 6: Final answer
    x = 11,514,306.49

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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.