Home / 13,468,783.80-20,215,860.30-7,083,618.60

Finding the Fourth Proportional to 13,468,783.80, 20,215,860.30 and 7,083,618.60

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Solution

The fourth proportional to 13,468,783.80, 20,215,860.30 and 7,083,618.60 is: 10,632,099.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,468,783.80 : 20,215,860.30 = 7,083,618.60 : x
  2. Step 2: Convert to fraction form
    13,468,783.80/20,215,860.30 = 7,083,618.60/x
  3. Step 3: Cross multiply
    13,468,783.80x = 20,215,860.30 × 7,083,618.60
  4. Step 4: Simplify right side
    13,468,783.80x = 143,201,444,036,081.56
  5. Step 5: Solve for x
    x = 143,201,444,036,081.56/13,468,783.80
  6. Step 6: Final answer
    x = 10,632,099.09

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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.