Finding the Fourth Proportional to 19,930,677.09, 27,504,334.16 and 10,763,319.84
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Solution
The fourth proportional to 19,930,677.09, 27,504,334.16 and 10,763,319.84 is: 14,853,381.25
Step by Step Solution
- Step 1: Write the proportion equation
19,930,677.09 : 27,504,334.16 = 10,763,319.84 : x - Step 2: Convert to fraction form
19,930,677.09/27,504,334.16 = 10,763,319.84/x - Step 3: Cross multiply
19,930,677.09x = 27,504,334.16 × 10,763,319.84 - Step 4: Simplify right side
19,930,677.09x = 296,037,945,403,455.88 - Step 5: Solve for x
x = 296,037,945,403,455.88/19,930,677.09 - Step 6: Final answer
x = 14,853,381.25
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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.