Home / 21,983,999.80-32,975,999.70-19,548,556.60

Finding the Fourth Proportional to 21,983,999.80, 32,975,999.70 and 19,548,556.60

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Solution

The fourth proportional to 21,983,999.80, 32,975,999.70 and 19,548,556.60 is: 29,322,834.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,983,999.80 : 32,975,999.70 = 19,548,556.60 : x
  2. Step 2: Convert to fraction form
    21,983,999.80/32,975,999.70 = 19,548,556.60/x
  3. Step 3: Cross multiply
    21,983,999.80x = 32,975,999.70 × 19,548,556.60
  4. Step 4: Simplify right side
    21,983,999.80x = 644,633,196,577,033
  5. Step 5: Solve for x
    x = 644,633,196,577,033/21,983,999.80
  6. Step 6: Final answer
    x = 29,322,834.90

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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.