Home / 13,434,667-20,122,461.84-11,102,731.40

Finding the Fourth Proportional to 13,434,667, 20,122,461.84 and 11,102,731.40

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Solution

The fourth proportional to 13,434,667, 20,122,461.84 and 11,102,731.40 is: 16,629,685.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,434,667 : 20,122,461.84 = 11,102,731.40 : x
  2. Step 2: Convert to fraction form
    13,434,667/20,122,461.84 = 11,102,731.40/x
  3. Step 3: Cross multiply
    13,434,667x = 20,122,461.84 × 11,102,731.40
  4. Step 4: Simplify right side
    13,434,667x = 223,414,288,916,269.78
  5. Step 5: Solve for x
    x = 223,414,288,916,269.78/13,434,667
  6. Step 6: Final answer
    x = 16,629,685.64

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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.