Home / 18,300,243.12-27,450,561.78-5,520,858.54

Finding the Fourth Proportional to 18,300,243.12, 27,450,561.78 and 5,520,858.54

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Solution

The fourth proportional to 18,300,243.12, 27,450,561.78 and 5,520,858.54 is: 8,281,347.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,300,243.12 : 27,450,561.78 = 5,520,858.54 : x
  2. Step 2: Convert to fraction form
    18,300,243.12/27,450,561.78 = 5,520,858.54/x
  3. Step 3: Cross multiply
    18,300,243.12x = 27,450,561.78 × 5,520,858.54
  4. Step 4: Simplify right side
    18,300,243.12x = 151,550,668,430,910.59
  5. Step 5: Solve for x
    x = 151,550,668,430,910.59/18,300,243.12
  6. Step 6: Final answer
    x = 8,281,347.27

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1.5x scale

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.