Finding the Fourth Proportional to 35,678,566.76, 49,237,775.58 and 19,997,881.06
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Solution
The fourth proportional to 35,678,566.76, 49,237,775.58 and 19,997,881.06 is: 27,597,834.47
Step by Step Solution
- Step 1: Write the proportion equation
35,678,566.76 : 49,237,775.58 = 19,997,881.06 : x - Step 2: Convert to fraction form
35,678,566.76/49,237,775.58 = 19,997,881.06/x - Step 3: Cross multiply
35,678,566.76x = 49,237,775.58 × 19,997,881.06 - Step 4: Simplify right side
35,678,566.76x = 984,651,179,707,812.38 - Step 5: Solve for x
x = 984,651,179,707,812.38/35,678,566.76 - Step 6: Final answer
x = 27,597,834.47
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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.