Home / 18,213,938.20-27,285,477.90-11,004,055.30

Finding the Fourth Proportional to 18,213,938.20, 27,285,477.90 and 11,004,055.30

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Solution

The fourth proportional to 18,213,938.20, 27,285,477.90 and 11,004,055.30 is: 16,484,678.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,213,938.20 : 27,285,477.90 = 11,004,055.30 : x
  2. Step 2: Convert to fraction form
    18,213,938.20/27,285,477.90 = 11,004,055.30/x
  3. Step 3: Cross multiply
    18,213,938.20x = 27,285,477.90 × 11,004,055.30
  4. Step 4: Simplify right side
    18,213,938.20x = 300,250,907,698,527.88
  5. Step 5: Solve for x
    x = 300,250,907,698,527.88/18,213,938.20
  6. Step 6: Final answer
    x = 16,484,678.07

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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.