Home / 18,153,906.80-27,230,860.20-16,768,223.60

Finding the Fourth Proportional to 18,153,906.80, 27,230,860.20 and 16,768,223.60

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Solution

The fourth proportional to 18,153,906.80, 27,230,860.20 and 16,768,223.60 is: 25,152,335.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,153,906.80 : 27,230,860.20 = 16,768,223.60 : x
  2. Step 2: Convert to fraction form
    18,153,906.80/27,230,860.20 = 16,768,223.60/x
  3. Step 3: Cross multiply
    18,153,906.80x = 27,230,860.20 × 16,768,223.60
  4. Step 4: Simplify right side
    18,153,906.80x = 456,613,152,653,940.69
  5. Step 5: Solve for x
    x = 456,613,152,653,940.69/18,153,906.80
  6. Step 6: Final answer
    x = 25,152,335.40

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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.