Finding the Fourth Proportional to 27,494,077.63, 37,937,609.40 and 15,889,399.99
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Solution
The fourth proportional to 27,494,077.63, 37,937,609.40 and 15,889,399.99 is: 21,924,934.47
Step by Step Solution
- Step 1: Write the proportion equation
27,494,077.63 : 37,937,609.40 = 15,889,399.99 : x - Step 2: Convert to fraction form
27,494,077.63/37,937,609.40 = 15,889,399.99/x - Step 3: Cross multiply
27,494,077.63x = 37,937,609.40 × 15,889,399.99 - Step 4: Simplify right side
27,494,077.63x = 602,805,850,420,983.88 - Step 5: Solve for x
x = 602,805,850,420,983.88/27,494,077.63 - Step 6: Final answer
x = 21,924,934.47
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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.