Home / 13,144,147.20-19,683,043.20-8,631,993.60

Finding the Fourth Proportional to 13,144,147.20, 19,683,043.20 and 8,631,993.60

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Solution

The fourth proportional to 13,144,147.20, 19,683,043.20 and 8,631,993.60 is: 12,926,202.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,144,147.20 : 19,683,043.20 = 8,631,993.60 : x
  2. Step 2: Convert to fraction form
    13,144,147.20/19,683,043.20 = 8,631,993.60/x
  3. Step 3: Cross multiply
    13,144,147.20x = 19,683,043.20 × 8,631,993.60
  4. Step 4: Simplify right side
    13,144,147.20x = 169,903,902,930,923.50
  5. Step 5: Solve for x
    x = 169,903,902,930,923.50/13,144,147.20
  6. Step 6: Final answer
    x = 12,926,202.08

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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.