Finding the Fourth Proportional to 33,889,670.96, 46,768,029.72 and 18,419,751.48
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Solution
The fourth proportional to 33,889,670.96, 46,768,029.72 and 18,419,751.48 is: 25,419,411.29
Step by Step Solution
- Step 1: Write the proportion equation
33,889,670.96 : 46,768,029.72 = 18,419,751.48 : x - Step 2: Convert to fraction form
33,889,670.96/46,768,029.72 = 18,419,751.48/x - Step 3: Cross multiply
33,889,670.96x = 46,768,029.72 × 18,419,751.48 - Step 4: Simplify right side
33,889,670.96x = 861,455,484,651,654 - Step 5: Solve for x
x = 861,455,484,651,654/33,889,670.96 - Step 6: Final answer
x = 25,419,411.29
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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.