Finding the Fourth Proportional to 35,678,622.09, 49,237,851.87 and 19,997,936.40
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Solution
The fourth proportional to 35,678,622.09, 49,237,851.87 and 19,997,936.40 is: 27,597,910.81
Step by Step Solution
- Step 1: Write the proportion equation
35,678,622.09 : 49,237,851.87 = 19,997,936.40 : x - Step 2: Convert to fraction form
35,678,622.09/49,237,851.87 = 19,997,936.40/x - Step 3: Cross multiply
35,678,622.09x = 49,237,851.87 × 19,997,936.40 - Step 4: Simplify right side
35,678,622.09x = 984,655,430,168,881 - Step 5: Solve for x
x = 984,655,430,168,881/35,678,622.09 - Step 6: Final answer
x = 27,597,910.81
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.