Finding the Fourth Proportional to 25,900,328.12, 38,841,372.18 and 8,623,837.31
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Solution
The fourth proportional to 25,900,328.12, 38,841,372.18 and 8,623,837.31 is: 12,932,719.34
Step by Step Solution
- Step 1: Write the proportion equation
25,900,328.12 : 38,841,372.18 = 8,623,837.31 : x - Step 2: Convert to fraction form
25,900,328.12/38,841,372.18 = 8,623,837.31/x - Step 3: Cross multiply
25,900,328.12x = 38,841,372.18 × 8,623,837.31 - Step 4: Simplify right side
25,900,328.12x = 334,961,674,383,273.19 - Step 5: Solve for x
x = 334,961,674,383,273.19/25,900,328.12 - Step 6: Final answer
x = 12,932,719.34
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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.