Home / 16,405,465.82-22,639,542.80-9,530,390.75

Finding the Fourth Proportional to 16,405,465.82, 22,639,542.80 and 9,530,390.75

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Solution

The fourth proportional to 16,405,465.82, 22,639,542.80 and 9,530,390.75 is: 13,151,939.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,405,465.82 : 22,639,542.80 = 9,530,390.75 : x
  2. Step 2: Convert to fraction form
    16,405,465.82/22,639,542.80 = 9,530,390.75/x
  3. Step 3: Cross multiply
    16,405,465.82x = 22,639,542.80 × 9,530,390.75
  4. Step 4: Simplify right side
    16,405,465.82x = 215,763,689,124,499.44
  5. Step 5: Solve for x
    x = 215,763,689,124,499.44/16,405,465.82
  6. Step 6: Final answer
    x = 13,151,939.21

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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.