Home / 20,025,783.55-27,636,124.62-11,325,257.25

Finding the Fourth Proportional to 20,025,783.55, 27,636,124.62 and 11,325,257.25

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Solution

The fourth proportional to 20,025,783.55, 27,636,124.62 and 11,325,257.25 is: 15,629,162.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,025,783.55 : 27,636,124.62 = 11,325,257.25 : x
  2. Step 2: Convert to fraction form
    20,025,783.55/27,636,124.62 = 11,325,257.25/x
  3. Step 3: Cross multiply
    20,025,783.55x = 27,636,124.62 × 11,325,257.25
  4. Step 4: Simplify right side
    20,025,783.55x = 312,986,220,714,558.50
  5. Step 5: Solve for x
    x = 312,986,220,714,558.50/20,025,783.55
  6. Step 6: Final answer
    x = 15,629,162.27

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.