Home / 18,666,812.20-27,944,231.10-11,089,877.80

Finding the Fourth Proportional to 18,666,812.20, 27,944,231.10 and 11,089,877.80

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Solution

The fourth proportional to 18,666,812.20, 27,944,231.10 and 11,089,877.80 is: 16,601,554.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,666,812.20 : 27,944,231.10 = 11,089,877.80 : x
  2. Step 2: Convert to fraction form
    18,666,812.20/27,944,231.10 = 11,089,877.80/x
  3. Step 3: Cross multiply
    18,666,812.20x = 27,944,231.10 × 11,089,877.80
  4. Step 4: Simplify right side
    18,666,812.20x = 309,898,108,113,959.62
  5. Step 5: Solve for x
    x = 309,898,108,113,959.62/18,666,812.20
  6. Step 6: Final answer
    x = 16,601,554.93

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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.