Finding the Fourth Proportional to 14,384,625.66, 19,850,796.81 and 7,858,364.13
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Solution
The fourth proportional to 14,384,625.66, 19,850,796.81 and 7,858,364.13 is: 10,844,549.82
Step by Step Solution
- Step 1: Write the proportion equation
14,384,625.66 : 19,850,796.81 = 7,858,364.13 : x - Step 2: Convert to fraction form
14,384,625.66/19,850,796.81 = 7,858,364.13/x - Step 3: Cross multiply
14,384,625.66x = 19,850,796.81 × 7,858,364.13 - Step 4: Simplify right side
14,384,625.66x = 155,994,789,603,622.41 - Step 5: Solve for x
x = 155,994,789,603,622.41/14,384,625.66 - Step 6: Final answer
x = 10,844,549.82
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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.