Finding the Fourth Proportional to 31,897,562.06, 44,018,857.08 and 18,146,526.19
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Solution
The fourth proportional to 31,897,562.06, 44,018,857.08 and 18,146,526.19 is: 25,042,332.11
Step by Step Solution
- Step 1: Write the proportion equation
31,897,562.06 : 44,018,857.08 = 18,146,526.19 : x - Step 2: Convert to fraction form
31,897,562.06/44,018,857.08 = 18,146,526.19/x - Step 3: Cross multiply
31,897,562.06x = 44,018,857.08 × 18,146,526.19 - Step 4: Simplify right side
31,897,562.06x = 798,789,342,746,039.75 - Step 5: Solve for x
x = 798,789,342,746,039.75/31,897,562.06 - Step 6: Final answer
x = 25,042,332.11
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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.