Home / 29,765,348.64-41,080,672.80-18,169,660.80

Finding the Fourth Proportional to 29,765,348.64, 41,080,672.80 and 18,169,660.80

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Solution

The fourth proportional to 29,765,348.64, 41,080,672.80 and 18,169,660.80 is: 25,076,873.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,765,348.64 : 41,080,672.80 = 18,169,660.80 : x
  2. Step 2: Convert to fraction form
    29,765,348.64/41,080,672.80 = 18,169,660.80/x
  3. Step 3: Cross multiply
    29,765,348.64x = 41,080,672.80 × 18,169,660.80
  4. Step 4: Simplify right side
    29,765,348.64x = 746,421,890,211,786.25
  5. Step 5: Solve for x
    x = 746,421,890,211,786.25/29,765,348.64
  6. Step 6: Final answer
    x = 25,076,873.76

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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.