Finding the Fourth Proportional to 21,821,534.93, 32,731,115.95 and 6,675,466.43
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Solution
The fourth proportional to 21,821,534.93, 32,731,115.95 and 6,675,466.43 is: 10,012,836.70
Step by Step Solution
- Step 1: Write the proportion equation
21,821,534.93 : 32,731,115.95 = 6,675,466.43 : x - Step 2: Convert to fraction form
21,821,534.93/32,731,115.95 = 6,675,466.43/x - Step 3: Cross multiply
21,821,534.93x = 32,731,115.95 × 6,675,466.43 - Step 4: Simplify right side
21,821,534.93x = 218,495,465,740,662.53 - Step 5: Solve for x
x = 218,495,465,740,662.53/21,821,534.93 - Step 6: Final answer
x = 10,012,836.70
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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.