Home / 13,774,439.70-20,661,659.55-12,286,404.90

Finding the Fourth Proportional to 13,774,439.70, 20,661,659.55 and 12,286,404.90

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Solution

The fourth proportional to 13,774,439.70, 20,661,659.55 and 12,286,404.90 is: 18,429,607.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,774,439.70 : 20,661,659.55 = 12,286,404.90 : x
  2. Step 2: Convert to fraction form
    13,774,439.70/20,661,659.55 = 12,286,404.90/x
  3. Step 3: Cross multiply
    13,774,439.70x = 20,661,659.55 × 12,286,404.90
  4. Step 4: Simplify right side
    13,774,439.70x = 253,857,515,137,251.81
  5. Step 5: Solve for x
    x = 253,857,515,137,251.81/13,774,439.70
  6. Step 6: Final answer
    x = 18,429,607.35

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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.