Finding the Fourth Proportional to 21,283,766.14, 29,371,596.14 and 11,494,209.40
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Solution
The fourth proportional to 21,283,766.14, 29,371,596.14 and 11,494,209.40 is: 15,862,008.36
Step by Step Solution
- Step 1: Write the proportion equation
21,283,766.14 : 29,371,596.14 = 11,494,209.40 : x - Step 2: Convert to fraction form
21,283,766.14/29,371,596.14 = 11,494,209.40/x - Step 3: Cross multiply
21,283,766.14x = 29,371,596.14 × 11,494,209.40 - Step 4: Simplify right side
21,283,766.14x = 337,603,276,445,391.75 - Step 5: Solve for x
x = 337,603,276,445,391.75/21,283,766.14 - Step 6: Final answer
x = 15,862,008.36
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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.