Home / 13,466,285.20-20,199,427.80-13,253,708.80

Finding the Fourth Proportional to 13,466,285.20, 20,199,427.80 and 13,253,708.80

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Solution

The fourth proportional to 13,466,285.20, 20,199,427.80 and 13,253,708.80 is: 19,880,563.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,466,285.20 : 20,199,427.80 = 13,253,708.80 : x
  2. Step 2: Convert to fraction form
    13,466,285.20/20,199,427.80 = 13,253,708.80/x
  3. Step 3: Cross multiply
    13,466,285.20x = 20,199,427.80 × 13,253,708.80
  4. Step 4: Simplify right side
    13,466,285.20x = 267,717,333,987,824.66
  5. Step 5: Solve for x
    x = 267,717,333,987,824.66/13,466,285.20
  6. Step 6: Final answer
    x = 19,880,563.20

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1.5x scale

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.