Home / 18,664,061.20-27,996,091.80-5,200,889.20

Finding the Fourth Proportional to 18,664,061.20, 27,996,091.80 and 5,200,889.20

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Solution

The fourth proportional to 18,664,061.20, 27,996,091.80 and 5,200,889.20 is: 7,801,333.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,664,061.20 : 27,996,091.80 = 5,200,889.20 : x
  2. Step 2: Convert to fraction form
    18,664,061.20/27,996,091.80 = 5,200,889.20/x
  3. Step 3: Cross multiply
    18,664,061.20x = 27,996,091.80 × 5,200,889.20
  4. Step 4: Simplify right side
    18,664,061.20x = 145,604,571,484,828.56
  5. Step 5: Solve for x
    x = 145,604,571,484,828.56/18,664,061.20
  6. Step 6: Final answer
    x = 7,801,333.80

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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.