Finding the Fourth Proportional to 36,346,716.80, 54,473,764.80 and 19,315,548.80
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Solution
The fourth proportional to 36,346,716.80, 54,473,764.80 and 19,315,548.80 is: 28,948,712.70
Step by Step Solution
- Step 1: Write the proportion equation
36,346,716.80 : 54,473,764.80 = 19,315,548.80 : x - Step 2: Convert to fraction form
36,346,716.80/54,473,764.80 = 19,315,548.80/x - Step 3: Cross multiply
36,346,716.80x = 54,473,764.80 × 19,315,548.80 - Step 4: Simplify right side
36,346,716.80x = 1,052,190,662,314,122.25 - Step 5: Solve for x
x = 1,052,190,662,314,122.25/36,346,716.80 - Step 6: Final answer
x = 28,948,712.70
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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.