Finding the Fourth Proportional to 16,157,198.81, 22,296,155.78 and 8,814,595.08
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Solution
The fourth proportional to 16,157,198.81, 22,296,155.78 and 8,814,595.08 is: 12,163,716.46
Step by Step Solution
- Step 1: Write the proportion equation
16,157,198.81 : 22,296,155.78 = 8,814,595.08 : x - Step 2: Convert to fraction form
16,157,198.81/22,296,155.78 = 8,814,595.08/x - Step 3: Cross multiply
16,157,198.81x = 22,296,155.78 × 8,814,595.08 - Step 4: Simplify right side
16,157,198.81x = 196,531,585,041,301.56 - Step 5: Solve for x
x = 196,531,585,041,301.56/16,157,198.81 - Step 6: Final answer
x = 12,163,716.46
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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.