Home / 18,795,412.80-28,193,119.20-11,583,561.60

Finding the Fourth Proportional to 18,795,412.80, 28,193,119.20 and 11,583,561.60

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Solution

The fourth proportional to 18,795,412.80, 28,193,119.20 and 11,583,561.60 is: 17,375,342.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,795,412.80 : 28,193,119.20 = 11,583,561.60 : x
  2. Step 2: Convert to fraction form
    18,795,412.80/28,193,119.20 = 11,583,561.60/x
  3. Step 3: Cross multiply
    18,795,412.80x = 28,193,119.20 × 11,583,561.60
  4. Step 4: Simplify right side
    18,795,412.80x = 326,576,732,949,342.69
  5. Step 5: Solve for x
    x = 326,576,732,949,342.69/18,795,412.80
  6. Step 6: Final answer
    x = 17,375,342.40

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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.