Finding the Fourth Proportional to 16,161,064.12, 22,302,741.70 and 8,819,370.32
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Solution
The fourth proportional to 16,161,064.12, 22,302,741.70 and 8,819,370.32 is: 12,170,989.28
Step by Step Solution
- Step 1: Write the proportion equation
16,161,064.12 : 22,302,741.70 = 8,819,370.32 : x - Step 2: Convert to fraction form
16,161,064.12/22,302,741.70 = 8,819,370.32/x - Step 3: Cross multiply
16,161,064.12x = 22,302,741.70 × 8,819,370.32 - Step 4: Simplify right side
16,161,064.12x = 196,696,138,203,606.34 - Step 5: Solve for x
x = 196,696,138,203,606.34/16,161,064.12 - Step 6: Final answer
x = 12,170,989.28
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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.