Finding the Fourth Proportional to 27,392,566.62, 37,802,930.21 and 15,169,423.62
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Solution
The fourth proportional to 27,392,566.62, 37,802,930.21 and 15,169,423.62 is: 20,934,462.63
Step by Step Solution
- Step 1: Write the proportion equation
27,392,566.62 : 37,802,930.21 = 15,169,423.62 : x - Step 2: Convert to fraction form
27,392,566.62/37,802,930.21 = 15,169,423.62/x - Step 3: Cross multiply
27,392,566.62x = 37,802,930.21 × 15,169,423.62 - Step 4: Simplify right side
27,392,566.62x = 573,448,662,356,938.38 - Step 5: Solve for x
x = 573,448,662,356,938.38/27,392,566.62 - Step 6: Final answer
x = 20,934,462.63
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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.