Home / 13,772,731.80-20,659,097.70-12,544,512.60

Finding the Fourth Proportional to 13,772,731.80, 20,659,097.70 and 12,544,512.60

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Solution

The fourth proportional to 13,772,731.80, 20,659,097.70 and 12,544,512.60 is: 18,816,768.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,772,731.80 : 20,659,097.70 = 12,544,512.60 : x
  2. Step 2: Convert to fraction form
    13,772,731.80/20,659,097.70 = 12,544,512.60/x
  3. Step 3: Cross multiply
    13,772,731.80x = 20,659,097.70 × 12,544,512.60
  4. Step 4: Simplify right side
    13,772,731.80x = 259,158,311,402,281
  5. Step 5: Solve for x
    x = 259,158,311,402,281/13,772,731.80
  6. Step 6: Final answer
    x = 18,816,768.90

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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.