Finding the Fourth Proportional to 19,645,741.60, 29,472,612.72 and 8,286,232.48
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Solution
The fourth proportional to 19,645,741.60, 29,472,612.72 and 8,286,232.48 is: 12,431,035.99
Step by Step Solution
- Step 1: Write the proportion equation
19,645,741.60 : 29,472,612.72 = 8,286,232.48 : x - Step 2: Convert to fraction form
19,645,741.60/29,472,612.72 = 8,286,232.48/x - Step 3: Cross multiply
19,645,741.60x = 29,472,612.72 × 8,286,232.48 - Step 4: Simplify right side
19,645,741.60x = 244,216,920,790,925.16 - Step 5: Solve for x
x = 244,216,920,790,925.16/19,645,741.60 - Step 6: Final answer
x = 12,431,035.99
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.