Home / 15,690,999.74-21,659,453.45-11,782,047.93

Finding the Fourth Proportional to 15,690,999.74, 21,659,453.45 and 11,782,047.93

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Solution

The fourth proportional to 15,690,999.74, 21,659,453.45 and 11,782,047.93 is: 16,263,636.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,690,999.74 : 21,659,453.45 = 11,782,047.93 : x
  2. Step 2: Convert to fraction form
    15,690,999.74/21,659,453.45 = 11,782,047.93/x
  3. Step 3: Cross multiply
    15,690,999.74x = 21,659,453.45 × 11,782,047.93
  4. Step 4: Simplify right side
    15,690,999.74x = 255,192,718,626,593.62
  5. Step 5: Solve for x
    x = 255,192,718,626,593.62/15,690,999.74
  6. Step 6: Final answer
    x = 16,263,636.67

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.