Home / 13,453,556.30-20,180,334.45-9,414,604.70

Finding the Fourth Proportional to 13,453,556.30, 20,180,334.45 and 9,414,604.70

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Solution

The fourth proportional to 13,453,556.30, 20,180,334.45 and 9,414,604.70 is: 14,121,907.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,453,556.30 : 20,180,334.45 = 9,414,604.70 : x
  2. Step 2: Convert to fraction form
    13,453,556.30/20,180,334.45 = 9,414,604.70/x
  3. Step 3: Cross multiply
    13,453,556.30x = 20,180,334.45 × 9,414,604.70
  4. Step 4: Simplify right side
    13,453,556.30x = 189,989,871,560,541.91
  5. Step 5: Solve for x
    x = 189,989,871,560,541.91/13,453,556.30
  6. Step 6: Final answer
    x = 14,121,907.05

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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.