Finding the Fourth Proportional to 11,624,906.34, 16,042,355.73 and 7,212,991.05
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Solution
The fourth proportional to 11,624,906.34, 16,042,355.73 and 7,212,991.05 is: 9,953,918.33
Step by Step Solution
- Step 1: Write the proportion equation
11,624,906.34 : 16,042,355.73 = 7,212,991.05 : x - Step 2: Convert to fraction form
11,624,906.34/16,042,355.73 = 7,212,991.05/x - Step 3: Cross multiply
11,624,906.34x = 16,042,355.73 × 7,212,991.05 - Step 4: Simplify right side
11,624,906.34x = 115,713,368,301,406.22 - Step 5: Solve for x
x = 115,713,368,301,406.22/11,624,906.34 - Step 6: Final answer
x = 9,953,918.33
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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.