Finding the Fourth Proportional to 12,135,365.38, 18,205,763.19 and 4,562,396.74
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Solution
The fourth proportional to 12,135,365.38, 18,205,763.19 and 4,562,396.74 is: 6,844,615.88
Step by Step Solution
- Step 1: Write the proportion equation
12,135,365.38 : 18,205,763.19 = 4,562,396.74 : x - Step 2: Convert to fraction form
12,135,365.38/18,205,763.19 = 4,562,396.74/x - Step 3: Cross multiply
12,135,365.38x = 18,205,763.19 × 4,562,396.74 - Step 4: Simplify right side
12,135,365.38x = 83,061,914,627,268.02 - Step 5: Solve for x
x = 83,061,914,627,268.02/12,135,365.38 - Step 6: Final answer
x = 6,844,615.88
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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.