Finding the Fourth Proportional to 21,649,296.66, 29,875,940.91 and 11,859,727.02
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Solution
The fourth proportional to 21,649,296.66, 29,875,940.91 and 11,859,727.02 is: 16,366,374.82
Step by Step Solution
- Step 1: Write the proportion equation
21,649,296.66 : 29,875,940.91 = 11,859,727.02 : x - Step 2: Convert to fraction form
21,649,296.66/29,875,940.91 = 11,859,727.02/x - Step 3: Cross multiply
21,649,296.66x = 29,875,940.91 × 11,859,727.02 - Step 4: Simplify right side
21,649,296.66x = 354,320,503,658,250.38 - Step 5: Solve for x
x = 354,320,503,658,250.38/21,649,296.66 - Step 6: Final answer
x = 16,366,374.82
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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.