Finding the Fourth Proportional to 23,082,101.84, 31,852,359.20 and 13,292,914.88
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Solution
The fourth proportional to 23,082,101.84, 31,852,359.20 and 13,292,914.88 is: 18,343,680.42
Step by Step Solution
- Step 1: Write the proportion equation
23,082,101.84 : 31,852,359.20 = 13,292,914.88 : x - Step 2: Convert to fraction form
23,082,101.84/31,852,359.20 = 13,292,914.88/x - Step 3: Cross multiply
23,082,101.84x = 31,852,359.20 × 13,292,914.88 - Step 4: Simplify right side
23,082,101.84x = 423,410,699,572,784.94 - Step 5: Solve for x
x = 423,410,699,572,784.94/23,082,101.84 - Step 6: Final answer
x = 18,343,680.42
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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.