Home / 21,812,345.80-30,099,668.37-12,022,251.23

Finding the Fourth Proportional to 21,812,345.80, 30,099,668.37 and 12,022,251.23

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Solution

The fourth proportional to 21,812,345.80, 30,099,668.37 and 12,022,251.23 is: 16,589,952.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,812,345.80 : 30,099,668.37 = 12,022,251.23 : x
  2. Step 2: Convert to fraction form
    21,812,345.80/30,099,668.37 = 12,022,251.23/x
  3. Step 3: Cross multiply
    21,812,345.80x = 30,099,668.37 × 12,022,251.23
  4. Step 4: Simplify right side
    21,812,345.80x = 361,865,775,083,824.62
  5. Step 5: Solve for x
    x = 361,865,775,083,824.62/21,812,345.80
  6. Step 6: Final answer
    x = 16,589,952.24

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.