Finding the Fourth Proportional to 14,639,723.19, 20,202,818.58 and 8,114,333.58
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Solution
The fourth proportional to 14,639,723.19, 20,202,818.58 and 8,114,333.58 is: 11,197,780.66
Step by Step Solution
- Step 1: Write the proportion equation
14,639,723.19 : 20,202,818.58 = 8,114,333.58 : x - Step 2: Convert to fraction form
14,639,723.19/20,202,818.58 = 8,114,333.58/x - Step 3: Cross multiply
14,639,723.19x = 20,202,818.58 × 8,114,333.58 - Step 4: Simplify right side
14,639,723.19x = 163,932,409,214,341.91 - Step 5: Solve for x
x = 163,932,409,214,341.91/14,639,723.19 - Step 6: Final answer
x = 11,197,780.66
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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.