Home / 29,305,556.80-40,436,321.04-16,911,128.57

Finding the Fourth Proportional to 29,305,556.80, 40,436,321.04 and 16,911,128.57

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Solution

The fourth proportional to 29,305,556.80, 40,436,321.04 and 16,911,128.57 is: 23,334,271.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,305,556.80 : 40,436,321.04 = 16,911,128.57 : x
  2. Step 2: Convert to fraction form
    29,305,556.80/40,436,321.04 = 16,911,128.57/x
  3. Step 3: Cross multiply
    29,305,556.80x = 40,436,321.04 × 16,911,128.57
  4. Step 4: Simplify right side
    29,305,556.80x = 683,823,823,803,054.50
  5. Step 5: Solve for x
    x = 683,823,823,803,054.50/29,305,556.80
  6. Step 6: Final answer
    x = 23,334,271.67

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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.