Finding the Fourth Proportional to 7,184,277.09, 9,914,161.84 and 3,921,115.21
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Solution
The fourth proportional to 7,184,277.09, 9,914,161.84 and 3,921,115.21 is: 5,411,062.28
Step by Step Solution
- Step 1: Write the proportion equation
7,184,277.09 : 9,914,161.84 = 3,921,115.21 : x - Step 2: Convert to fraction form
7,184,277.09/9,914,161.84 = 3,921,115.21/x - Step 3: Cross multiply
7,184,277.09x = 9,914,161.84 × 3,921,115.21 - Step 4: Simplify right side
7,184,277.09x = 38,874,570,785,225.59 - Step 5: Solve for x
x = 38,874,570,785,225.59/7,184,277.09 - Step 6: Final answer
x = 5,411,062.28
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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.