Finding the Fourth Proportional to 19,929,791.66, 29,894,687.84 and 4,783,723.16
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Solution
The fourth proportional to 19,929,791.66, 29,894,687.84 and 4,783,723.16 is: 7,175,584.82
Step by Step Solution
- Step 1: Write the proportion equation
19,929,791.66 : 29,894,687.84 = 4,783,723.16 : x - Step 2: Convert to fraction form
19,929,791.66/29,894,687.84 = 4,783,723.16/x - Step 3: Cross multiply
19,929,791.66x = 29,894,687.84 × 4,783,723.16 - Step 4: Simplify right side
19,929,791.66x = 143,007,910,443,664.25 - Step 5: Solve for x
x = 143,007,910,443,664.25/19,929,791.66 - Step 6: Final answer
x = 7,175,584.82
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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.