Finding the Fourth Proportional to 21,650,232.22, 29,877,317.98 and 12,948,403.44
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Solution
The fourth proportional to 21,650,232.22, 29,877,317.98 and 12,948,403.44 is: 17,868,795.26
Step by Step Solution
- Step 1: Write the proportion equation
21,650,232.22 : 29,877,317.98 = 12,948,403.44 : x - Step 2: Convert to fraction form
21,650,232.22/29,877,317.98 = 12,948,403.44/x - Step 3: Cross multiply
21,650,232.22x = 29,877,317.98 × 12,948,403.44 - Step 4: Simplify right side
21,650,232.22x = 386,863,566,910,205.81 - Step 5: Solve for x
x = 386,863,566,910,205.81/21,650,232.22 - Step 6: Final answer
x = 17,868,795.26
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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.