Finding the Fourth Proportional to 18,588,563.17, 27,893,757.92 and 7,805,034.79
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Solution
The fourth proportional to 18,588,563.17, 27,893,757.92 and 7,805,034.79 is: 11,712,134.44
Step by Step Solution
- Step 1: Write the proportion equation
18,588,563.17 : 27,893,757.92 = 7,805,034.79 : x - Step 2: Convert to fraction form
18,588,563.17/27,893,757.92 = 7,805,034.79/x - Step 3: Cross multiply
18,588,563.17x = 27,893,757.92 × 7,805,034.79 - Step 4: Simplify right side
18,588,563.17x = 217,711,750,880,678.44 - Step 5: Solve for x
x = 217,711,750,880,678.44/18,588,563.17 - Step 6: Final answer
x = 11,712,134.44
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.