Home / 13,599,235.80-20,398,853.70-12,801,418.20

Finding the Fourth Proportional to 13,599,235.80, 20,398,853.70 and 12,801,418.20

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Solution

The fourth proportional to 13,599,235.80, 20,398,853.70 and 12,801,418.20 is: 19,202,127.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,599,235.80 : 20,398,853.70 = 12,801,418.20 : x
  2. Step 2: Convert to fraction form
    13,599,235.80/20,398,853.70 = 12,801,418.20/x
  3. Step 3: Cross multiply
    13,599,235.80x = 20,398,853.70 × 12,801,418.20
  4. Step 4: Simplify right side
    13,599,235.80x = 261,134,257,014,317.31
  5. Step 5: Solve for x
    x = 261,134,257,014,317.31/13,599,235.80
  6. Step 6: Final answer
    x = 19,202,127.30

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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.