Finding the Fourth Proportional to 39,112,331.20, 58,726,088.64 and 21,874,305.40
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Solution
The fourth proportional to 39,112,331.20, 58,726,088.64 and 21,874,305.40 is: 32,843,667.42
Step by Step Solution
- Step 1: Write the proportion equation
39,112,331.20 : 58,726,088.64 = 21,874,305.40 : x - Step 2: Convert to fraction form
39,112,331.20/58,726,088.64 = 21,874,305.40/x - Step 3: Cross multiply
39,112,331.20x = 58,726,088.64 × 21,874,305.40 - Step 4: Simplify right side
39,112,331.20x = 1,284,592,397,858,830.50 - Step 5: Solve for x
x = 1,284,592,397,858,830.50/39,112,331.20 - Step 6: Final answer
x = 32,843,667.42
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.