Home / 13,389,940.80-20,084,911.20-7,002,151.20

Finding the Fourth Proportional to 13,389,940.80, 20,084,911.20 and 7,002,151.20

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Solution

The fourth proportional to 13,389,940.80, 20,084,911.20 and 7,002,151.20 is: 10,503,226.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,389,940.80 : 20,084,911.20 = 7,002,151.20 : x
  2. Step 2: Convert to fraction form
    13,389,940.80/20,084,911.20 = 7,002,151.20/x
  3. Step 3: Cross multiply
    13,389,940.80x = 20,084,911.20 × 7,002,151.20
  4. Step 4: Simplify right side
    13,389,940.80x = 140,637,585,060,973.44
  5. Step 5: Solve for x
    x = 140,637,585,060,973.44/13,389,940.80
  6. Step 6: Final answer
    x = 10,503,226.80

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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.