Home / 19,585,982.35-29,401,672.16-10,505,813.50

Finding the Fourth Proportional to 19,585,982.35, 29,401,672.16 and 10,505,813.50

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Solution

The fourth proportional to 19,585,982.35, 29,401,672.16 and 10,505,813.50 is: 15,770,895.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,585,982.35 : 29,401,672.16 = 10,505,813.50 : x
  2. Step 2: Convert to fraction form
    19,585,982.35/29,401,672.16 = 10,505,813.50/x
  3. Step 3: Cross multiply
    19,585,982.35x = 29,401,672.16 × 10,505,813.50
  4. Step 4: Simplify right side
    19,585,982.35x = 308,888,484,305,023.62
  5. Step 5: Solve for x
    x = 308,888,484,305,023.62/19,585,982.35
  6. Step 6: Final answer
    x = 15,770,895.67

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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.