Finding the Fourth Proportional to 39,632,920.80, 59,449,381.20 and 16,916,114.40
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Solution
The fourth proportional to 39,632,920.80, 59,449,381.20 and 16,916,114.40 is: 25,374,171.60
Step by Step Solution
- Step 1: Write the proportion equation
39,632,920.80 : 59,449,381.20 = 16,916,114.40 : x - Step 2: Convert to fraction form
39,632,920.80/59,449,381.20 = 16,916,114.40/x - Step 3: Cross multiply
39,632,920.80x = 59,449,381.20 × 16,916,114.40 - Step 4: Simplify right side
39,632,920.80x = 1,005,652,533,388,409.25 - Step 5: Solve for x
x = 1,005,652,533,388,409.25/39,632,920.80 - Step 6: Final answer
x = 25,374,171.60
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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.