Home / 18,343,400.80-27,515,101.20-14,104,962.40

Finding the Fourth Proportional to 18,343,400.80, 27,515,101.20 and 14,104,962.40

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Solution

The fourth proportional to 18,343,400.80, 27,515,101.20 and 14,104,962.40 is: 21,157,443.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,343,400.80 : 27,515,101.20 = 14,104,962.40 : x
  2. Step 2: Convert to fraction form
    18,343,400.80/27,515,101.20 = 14,104,962.40/x
  3. Step 3: Cross multiply
    18,343,400.80x = 27,515,101.20 × 14,104,962.40
  4. Step 4: Simplify right side
    18,343,400.80x = 388,099,467,858,194.88
  5. Step 5: Solve for x
    x = 388,099,467,858,194.88/18,343,400.80
  6. Step 6: Final answer
    x = 21,157,443.60

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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.