Finding the Fourth Proportional to 11,935,154.61, 17,902,856.66 and 9,554,135.31
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Solution
The fourth proportional to 11,935,154.61, 17,902,856.66 and 9,554,135.31 is: 14,331,302.82
Step by Step Solution
- Step 1: Write the proportion equation
11,935,154.61 : 17,902,856.66 = 9,554,135.31 : x - Step 2: Convert to fraction form
11,935,154.61/17,902,856.66 = 9,554,135.31/x - Step 3: Cross multiply
11,935,154.61x = 17,902,856.66 × 9,554,135.31 - Step 4: Simplify right side
11,935,154.61x = 171,046,314,917,404 - Step 5: Solve for x
x = 171,046,314,917,404/11,935,154.61 - Step 6: Final answer
x = 14,331,302.82
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.