Home / 13,393,272.75-18,486,064.47-8,233,644.94

Finding the Fourth Proportional to 13,393,272.75, 18,486,064.47 and 8,233,644.94

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Solution

The fourth proportional to 13,393,272.75, 18,486,064.47 and 8,233,644.94 is: 11,364,488.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,393,272.75 : 18,486,064.47 = 8,233,644.94 : x
  2. Step 2: Convert to fraction form
    13,393,272.75/18,486,064.47 = 8,233,644.94/x
  3. Step 3: Cross multiply
    13,393,272.75x = 18,486,064.47 × 8,233,644.94
  4. Step 4: Simplify right side
    13,393,272.75x = 152,207,691,122,276.03
  5. Step 5: Solve for x
    x = 152,207,691,122,276.03/13,393,272.75
  6. Step 6: Final answer
    x = 11,364,488.28

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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.