Home / 19,315,979.60-28,973,969.40-16,198,192.40

Finding the Fourth Proportional to 19,315,979.60, 28,973,969.40 and 16,198,192.40

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Solution

The fourth proportional to 19,315,979.60, 28,973,969.40 and 16,198,192.40 is: 24,297,288.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,315,979.60 : 28,973,969.40 = 16,198,192.40 : x
  2. Step 2: Convert to fraction form
    19,315,979.60/28,973,969.40 = 16,198,192.40/x
  3. Step 3: Cross multiply
    19,315,979.60x = 28,973,969.40 × 16,198,192.40
  4. Step 4: Simplify right side
    19,315,979.60x = 469,325,930,932,912.56
  5. Step 5: Solve for x
    x = 469,325,930,932,912.56/19,315,979.60
  6. Step 6: Final answer
    x = 24,297,288.60

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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.