Finding the Fourth Proportional to 8,129,081.79, 11,217,101.82 and 4,457,032.08
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Solution
The fourth proportional to 8,129,081.79, 11,217,101.82 and 4,457,032.08 is: 6,150,138.96
Step by Step Solution
- Step 1: Write the proportion equation
8,129,081.79 : 11,217,101.82 = 4,457,032.08 : x - Step 2: Convert to fraction form
8,129,081.79/11,217,101.82 = 4,457,032.08/x - Step 3: Cross multiply
8,129,081.79x = 11,217,101.82 × 4,457,032.08 - Step 4: Simplify right side
8,129,081.79x = 49,994,982,597,588.38 - Step 5: Solve for x
x = 49,994,982,597,588.38/8,129,081.79 - Step 6: Final answer
x = 6,150,138.96
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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.