Home / 18,756,635.00-28,131,015.89-5,290,313.72

Finding the Fourth Proportional to 18,756,635.00, 28,131,015.89 and 5,290,313.72

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Solution

The fourth proportional to 18,756,635.00, 28,131,015.89 and 5,290,313.72 is: 7,934,360.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,756,635.00 : 28,131,015.89 = 5,290,313.72 : x
  2. Step 2: Convert to fraction form
    18,756,635.00/28,131,015.89 = 5,290,313.72/x
  3. Step 3: Cross multiply
    18,756,635.00x = 28,131,015.89 × 5,290,313.72
  4. Step 4: Simplify right side
    18,756,635.00x = 148,821,899,192,975.69
  5. Step 5: Solve for x
    x = 148,821,899,192,975.69/18,756,635.00
  6. Step 6: Final answer
    x = 7,934,360.25

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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.