Finding the Fourth Proportional to 39,398,102.00, 54,368,813.22 and 21,757,750.97
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Solution
The fourth proportional to 39,398,102.00, 54,368,813.22 and 21,757,750.97 is: 30,025,382.90
Step by Step Solution
- Step 1: Write the proportion equation
39,398,102.00 : 54,368,813.22 = 21,757,750.97 : x - Step 2: Convert to fraction form
39,398,102.00/54,368,813.22 = 21,757,750.97/x - Step 3: Cross multiply
39,398,102.00x = 54,368,813.22 × 21,757,750.97 - Step 4: Simplify right side
39,398,102.00x = 1,182,943,098,221,768.25 - Step 5: Solve for x
x = 1,182,943,098,221,768.25/39,398,102.00 - Step 6: Final answer
x = 30,025,382.90
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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.