Home / 18,717,961.60-28,076,942.40-16,167,044.80

Finding the Fourth Proportional to 18,717,961.60, 28,076,942.40 and 16,167,044.80

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Solution

The fourth proportional to 18,717,961.60, 28,076,942.40 and 16,167,044.80 is: 24,250,567.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,717,961.60 : 28,076,942.40 = 16,167,044.80 : x
  2. Step 2: Convert to fraction form
    18,717,961.60/28,076,942.40 = 16,167,044.80/x
  3. Step 3: Cross multiply
    18,717,961.60x = 28,076,942.40 × 16,167,044.80
  4. Step 4: Simplify right side
    18,717,961.60x = 453,921,185,627,819.50
  5. Step 5: Solve for x
    x = 453,921,185,627,819.50/18,717,961.60
  6. Step 6: Final answer
    x = 24,250,567.20

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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.