Home / 13,783,516.20-20,675,274.30-13,122,167.40

Finding the Fourth Proportional to 13,783,516.20, 20,675,274.30 and 13,122,167.40

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Solution

The fourth proportional to 13,783,516.20, 20,675,274.30 and 13,122,167.40 is: 19,683,251.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,783,516.20 : 20,675,274.30 = 13,122,167.40 : x
  2. Step 2: Convert to fraction form
    13,783,516.20/20,675,274.30 = 13,122,167.40/x
  3. Step 3: Cross multiply
    13,783,516.20x = 20,675,274.30 × 13,122,167.40
  4. Step 4: Simplify right side
    13,783,516.20x = 271,304,410,405,517.84
  5. Step 5: Solve for x
    x = 271,304,410,405,517.84/13,783,516.20
  6. Step 6: Final answer
    x = 19,683,251.10

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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.