Finding the Fourth Proportional to 16,860,818.96, 25,291,293.60 and 4,081,302.80
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Solution
The fourth proportional to 16,860,818.96, 25,291,293.60 and 4,081,302.80 is: 6,121,969.97
Step by Step Solution
- Step 1: Write the proportion equation
16,860,818.96 : 25,291,293.60 = 4,081,302.80 : x - Step 2: Convert to fraction form
16,860,818.96/25,291,293.60 = 4,081,302.80/x - Step 3: Cross multiply
16,860,818.96x = 25,291,293.60 × 4,081,302.80 - Step 4: Simplify right side
16,860,818.96x = 103,221,427,385,302.08 - Step 5: Solve for x
x = 103,221,427,385,302.08/16,860,818.96 - Step 6: Final answer
x = 6,121,969.97
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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.