Finding the Fourth Proportional to 16,057,506.15, 22,158,765.57 and 8,715,181.62
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Solution
The fourth proportional to 16,057,506.15, 22,158,765.57 and 8,715,181.62 is: 12,026,628.83
Step by Step Solution
- Step 1: Write the proportion equation
16,057,506.15 : 22,158,765.57 = 8,715,181.62 : x - Step 2: Convert to fraction form
16,057,506.15/22,158,765.57 = 8,715,181.62/x - Step 3: Cross multiply
16,057,506.15x = 22,158,765.57 × 8,715,181.62 - Step 4: Simplify right side
16,057,506.15x = 193,117,666,417,552.81 - Step 5: Solve for x
x = 193,117,666,417,552.81/16,057,506.15 - Step 6: Final answer
x = 12,026,628.83
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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.