Finding the Fourth Proportional to 12,883,879.98, 19,324,359.54 and 3,299,328.18
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Solution
The fourth proportional to 12,883,879.98, 19,324,359.54 and 3,299,328.18 is: 4,948,618.28
Step by Step Solution
- Step 1: Write the proportion equation
12,883,879.98 : 19,324,359.54 = 3,299,328.18 : x - Step 2: Convert to fraction form
12,883,879.98/19,324,359.54 = 3,299,328.18/x - Step 3: Cross multiply
12,883,879.98x = 19,324,359.54 × 3,299,328.18 - Step 4: Simplify right side
12,883,879.98x = 63,757,403,990,773.84 - Step 5: Solve for x
x = 63,757,403,990,773.84/12,883,879.98 - Step 6: Final answer
x = 4,948,618.28
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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.