Finding the Fourth Proportional to 21,526,194.03, 29,718,236.08 and 14,920,382.40
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Solution
The fourth proportional to 21,526,194.03, 29,718,236.08 and 14,920,382.40 is: 20,598,506.45
Step by Step Solution
- Step 1: Write the proportion equation
21,526,194.03 : 29,718,236.08 = 14,920,382.40 : x - Step 2: Convert to fraction form
21,526,194.03/29,718,236.08 = 14,920,382.40/x - Step 3: Cross multiply
21,526,194.03x = 29,718,236.08 × 14,920,382.40 - Step 4: Simplify right side
21,526,194.03x = 443,407,446,599,522.75 - Step 5: Solve for x
x = 443,407,446,599,522.75/21,526,194.03 - Step 6: Final answer
x = 20,598,506.45
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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.