Finding the Fourth Proportional to 16,001,675.21, 22,082,379.11 and 8,659,508.71
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Solution
The fourth proportional to 16,001,675.21, 22,082,379.11 and 8,659,508.71 is: 11,950,158.45
Step by Step Solution
- Step 1: Write the proportion equation
16,001,675.21 : 22,082,379.11 = 8,659,508.71 : x - Step 2: Convert to fraction form
16,001,675.21/22,082,379.11 = 8,659,508.71/x - Step 3: Cross multiply
16,001,675.21x = 22,082,379.11 × 8,659,508.71 - Step 4: Simplify right side
16,001,675.21x = 191,222,554,318,984.59 - Step 5: Solve for x
x = 191,222,554,318,984.59/16,001,675.21 - Step 6: Final answer
x = 11,950,158.45
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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.