Home / 13,674,349.43-18,876,412.65-8,520,257.48

Finding the Fourth Proportional to 13,674,349.43, 18,876,412.65 and 8,520,257.48

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Solution

The fourth proportional to 13,674,349.43, 18,876,412.65 and 8,520,257.48 is: 11,761,575.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,674,349.43 : 18,876,412.65 = 8,520,257.48 : x
  2. Step 2: Convert to fraction form
    13,674,349.43/18,876,412.65 = 8,520,257.48/x
  3. Step 3: Cross multiply
    13,674,349.43x = 18,876,412.65 × 8,520,257.48
  4. Step 4: Simplify right side
    13,674,349.43x = 160,831,896,076,729.12
  5. Step 5: Solve for x
    x = 160,831,896,076,729.12/13,674,349.43
  6. Step 6: Final answer
    x = 11,761,575.71

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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.