Finding the Fourth Proportional to 21,611,636.19, 29,824,294.57 and 11,822,080.48
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Solution
The fourth proportional to 21,611,636.19, 29,824,294.57 and 11,822,080.48 is: 16,314,600.50
Step by Step Solution
- Step 1: Write the proportion equation
21,611,636.19 : 29,824,294.57 = 11,822,080.48 : x - Step 2: Convert to fraction form
21,611,636.19/29,824,294.57 = 11,822,080.48/x - Step 3: Cross multiply
21,611,636.19x = 29,824,294.57 × 11,822,080.48 - Step 4: Simplify right side
21,611,636.19x = 352,585,210,602,827.38 - Step 5: Solve for x
x = 352,585,210,602,827.38/21,611,636.19 - Step 6: Final answer
x = 16,314,600.50
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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.