Finding the Fourth Proportional to 28,510,079.16, 39,344,739.05 and 16,119,906.44
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Solution
The fourth proportional to 28,510,079.16, 39,344,739.05 and 16,119,906.44 is: 22,245,940.06
Step by Step Solution
- Step 1: Write the proportion equation
28,510,079.16 : 39,344,739.05 = 16,119,906.44 : x - Step 2: Convert to fraction form
28,510,079.16/39,344,739.05 = 16,119,906.44/x - Step 3: Cross multiply
28,510,079.16x = 39,344,739.05 × 16,119,906.44 - Step 4: Simplify right side
28,510,079.16x = 634,233,512,235,790.62 - Step 5: Solve for x
x = 634,233,512,235,790.62/28,510,079.16 - Step 6: Final answer
x = 22,245,940.06
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.