Finding the Fourth Proportional to 11,680,713.05, 16,119,709.03 and 6,454,058
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Solution
The fourth proportional to 11,680,713.05, 16,119,709.03 and 6,454,058 is: 8,906,779.63
Step by Step Solution
- Step 1: Write the proportion equation
11,680,713.05 : 16,119,709.03 = 6,454,058 : x - Step 2: Convert to fraction form
11,680,713.05/16,119,709.03 = 6,454,058/x - Step 3: Cross multiply
11,680,713.05x = 16,119,709.03 × 6,454,058 - Step 4: Simplify right side
11,680,713.05x = 104,037,537,022,743.73 - Step 5: Solve for x
x = 104,037,537,022,743.73/11,680,713.05 - Step 6: Final answer
x = 8,906,779.63
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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.