Home / 18,607,445.80-27,919,463.10-8,504,866.60

Finding the Fourth Proportional to 18,607,445.80, 27,919,463.10 and 8,504,866.60

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Solution

The fourth proportional to 18,607,445.80, 27,919,463.10 and 8,504,866.60 is: 12,761,091.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,607,445.80 : 27,919,463.10 = 8,504,866.60 : x
  2. Step 2: Convert to fraction form
    18,607,445.80/27,919,463.10 = 8,504,866.60/x
  3. Step 3: Cross multiply
    18,607,445.80x = 27,919,463.10 × 8,504,866.60
  4. Step 4: Simplify right side
    18,607,445.80x = 237,451,309,209,122.47
  5. Step 5: Solve for x
    x = 237,451,309,209,122.47/18,607,445.80
  6. Step 6: Final answer
    x = 12,761,091.00

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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.