Finding the Fourth Proportional to 19,874,612.28, 29,811,928.82 and 6,228,821.44
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Solution
The fourth proportional to 19,874,612.28, 29,811,928.82 and 6,228,821.44 is: 9,343,235.42
Step by Step Solution
- Step 1: Write the proportion equation
19,874,612.28 : 29,811,928.82 = 6,228,821.44 : x - Step 2: Convert to fraction form
19,874,612.28/29,811,928.82 = 6,228,821.44/x - Step 3: Cross multiply
19,874,612.28x = 29,811,928.82 × 6,228,821.44 - Step 4: Simplify right side
19,874,612.28x = 185,693,181,407,890.72 - Step 5: Solve for x
x = 185,693,181,407,890.72/19,874,612.28 - Step 6: Final answer
x = 9,343,235.42
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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.