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Finding the Fourth Proportional to 18,163,404.80, 27,257,548.80 and 10,076,364.80

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Solution

The fourth proportional to 18,163,404.80, 27,257,548.80 and 10,076,364.80 is: 15,121,449.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,163,404.80 : 27,257,548.80 = 10,076,364.80 : x
  2. Step 2: Convert to fraction form
    18,163,404.80/27,257,548.80 = 10,076,364.80/x
  3. Step 3: Cross multiply
    18,163,404.80x = 27,257,548.80 × 10,076,364.80
  4. Step 4: Simplify right side
    18,163,404.80x = 274,657,005,262,602.28
  5. Step 5: Solve for x
    x = 274,657,005,262,602.28/18,163,404.80
  6. Step 6: Final answer
    x = 15,121,449.33

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.