Home / 26,200,810.80-39,301,216.20-20,147,194.80

Finding the Fourth Proportional to 26,200,810.80, 39,301,216.20 and 20,147,194.80

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Solution

The fourth proportional to 26,200,810.80, 39,301,216.20 and 20,147,194.80 is: 30,220,792.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,200,810.80 : 39,301,216.20 = 20,147,194.80 : x
  2. Step 2: Convert to fraction form
    26,200,810.80/39,301,216.20 = 20,147,194.80/x
  3. Step 3: Cross multiply
    26,200,810.80x = 39,301,216.20 × 20,147,194.80
  4. Step 4: Simplify right side
    26,200,810.80x = 791,809,258,658,315.88
  5. Step 5: Solve for x
    x = 791,809,258,658,315.88/26,200,810.80
  6. Step 6: Final answer
    x = 30,220,792.20

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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.