Finding the Fourth Proportional to 36,653,960.12, 50,579,515.14 and 21,185,046.68
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Solution
The fourth proportional to 36,653,960.12, 50,579,515.14 and 21,185,046.68 is: 29,233,659.50
Step by Step Solution
- Step 1: Write the proportion equation
36,653,960.12 : 50,579,515.14 = 21,185,046.68 : x - Step 2: Convert to fraction form
36,653,960.12/50,579,515.14 = 21,185,046.68/x - Step 3: Cross multiply
36,653,960.12x = 50,579,515.14 × 21,185,046.68 - Step 4: Simplify right side
36,653,960.12x = 1,071,529,389,292,666.75 - Step 5: Solve for x
x = 1,071,529,389,292,666.75/36,653,960.12 - Step 6: Final answer
x = 29,233,659.50
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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.