Finding the Fourth Proportional to 19,771,447.92, 29,603,647.98 and 13,990,419.60
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Solution
The fourth proportional to 19,771,447.92, 29,603,647.98 and 13,990,419.60 is: 20,947,755.50
Step by Step Solution
- Step 1: Write the proportion equation
19,771,447.92 : 29,603,647.98 = 13,990,419.60 : x - Step 2: Convert to fraction form
19,771,447.92/29,603,647.98 = 13,990,419.60/x - Step 3: Cross multiply
19,771,447.92x = 29,603,647.98 × 13,990,419.60 - Step 4: Simplify right side
19,771,447.92x = 414,167,456,930,892.38 - Step 5: Solve for x
x = 414,167,456,930,892.38/19,771,447.92 - Step 6: Final answer
x = 20,947,755.50
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.