Finding the Fourth Proportional to 35,684,630.19, 49,247,226.28 and 20,214,841.95
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Solution
The fourth proportional to 35,684,630.19, 49,247,226.28 and 20,214,841.95 is: 27,897,862.20
Step by Step Solution
- Step 1: Write the proportion equation
35,684,630.19 : 49,247,226.28 = 20,214,841.95 : x - Step 2: Convert to fraction form
35,684,630.19/49,247,226.28 = 20,214,841.95/x - Step 3: Cross multiply
35,684,630.19x = 49,247,226.28 × 20,214,841.95 - Step 4: Simplify right side
35,684,630.19x = 995,524,895,751,355 - Step 5: Solve for x
x = 995,524,895,751,355/35,684,630.19 - Step 6: Final answer
x = 27,897,862.20
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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.