Home / 13,233,772.80-19,850,659.20-3,650,630.40

Finding the Fourth Proportional to 13,233,772.80, 19,850,659.20 and 3,650,630.40

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Solution

The fourth proportional to 13,233,772.80, 19,850,659.20 and 3,650,630.40 is: 5,475,945.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,233,772.80 : 19,850,659.20 = 3,650,630.40 : x
  2. Step 2: Convert to fraction form
    13,233,772.80/19,850,659.20 = 3,650,630.40/x
  3. Step 3: Cross multiply
    13,233,772.80x = 19,850,659.20 × 3,650,630.40
  4. Step 4: Simplify right side
    13,233,772.80x = 72,467,419,935,559.67
  5. Step 5: Solve for x
    x = 72,467,419,935,559.67/13,233,772.80
  6. Step 6: Final answer
    x = 5,475,945.60

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Double scale
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Similar ratio
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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.