Finding the Fourth Proportional to 10,116,347.29, 13,960,549.36 and 5,470,121.23
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Solution
The fourth proportional to 10,116,347.29, 13,960,549.36 and 5,470,121.23 is: 7,548,761.94
Step by Step Solution
- Step 1: Write the proportion equation
10,116,347.29 : 13,960,549.36 = 5,470,121.23 : x - Step 2: Convert to fraction form
10,116,347.29/13,960,549.36 = 5,470,121.23/x - Step 3: Cross multiply
10,116,347.29x = 13,960,549.36 × 5,470,121.23 - Step 4: Simplify right side
10,116,347.29x = 76,365,897,436,598.92 - Step 5: Solve for x
x = 76,365,897,436,598.92/10,116,347.29 - Step 6: Final answer
x = 7,548,761.94
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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.