Finding the Fourth Proportional to 16,161,062.62, 22,302,739.64 and 8,819,368.83
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Solution
The fourth proportional to 16,161,062.62, 22,302,739.64 and 8,819,368.83 is: 12,170,987.23
Step by Step Solution
- Step 1: Write the proportion equation
16,161,062.62 : 22,302,739.64 = 8,819,368.83 : x - Step 2: Convert to fraction form
16,161,062.62/22,302,739.64 = 8,819,368.83/x - Step 3: Cross multiply
16,161,062.62x = 22,302,739.64 × 8,819,368.83 - Step 4: Simplify right side
16,161,062.62x = 196,696,086,804,621.44 - Step 5: Solve for x
x = 196,696,086,804,621.44/16,161,062.62 - Step 6: Final answer
x = 12,170,987.23
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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.