Finding the Fourth Proportional to 27,212,853.62, 37,553,741.24 and 14,989,710.62
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Solution
The fourth proportional to 27,212,853.62, 37,553,741.24 and 14,989,710.62 is: 20,685,802.44
Step by Step Solution
- Step 1: Write the proportion equation
27,212,853.62 : 37,553,741.24 = 14,989,710.62 : x - Step 2: Convert to fraction form
27,212,853.62/37,553,741.24 = 14,989,710.62/x - Step 3: Cross multiply
27,212,853.62x = 37,553,741.24 × 14,989,710.62 - Step 4: Simplify right side
27,212,853.62x = 562,919,713,904,895.75 - Step 5: Solve for x
x = 562,919,713,904,895.75/27,212,853.62 - Step 6: Final answer
x = 20,685,802.44
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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.