Home / 13,825,124.40-20,737,686.60-12,481,431.60

Finding the Fourth Proportional to 13,825,124.40, 20,737,686.60 and 12,481,431.60

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Solution

The fourth proportional to 13,825,124.40, 20,737,686.60 and 12,481,431.60 is: 18,722,147.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,825,124.40 : 20,737,686.60 = 12,481,431.60 : x
  2. Step 2: Convert to fraction form
    13,825,124.40/20,737,686.60 = 12,481,431.60/x
  3. Step 3: Cross multiply
    13,825,124.40x = 20,737,686.60 × 12,481,431.60
  4. Step 4: Simplify right side
    13,825,124.40x = 258,836,016,840,136.56
  5. Step 5: Solve for x
    x = 258,836,016,840,136.56/13,825,124.40
  6. Step 6: Final answer
    x = 18,722,147.40

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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.