Finding the Fourth Proportional to 14,609,526.80, 20,156,251.11 and 8,414,449.46
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Solution
The fourth proportional to 14,609,526.80, 20,156,251.11 and 8,414,449.46 is: 11,609,120.45
Step by Step Solution
- Step 1: Write the proportion equation
14,609,526.80 : 20,156,251.11 = 8,414,449.46 : x - Step 2: Convert to fraction form
14,609,526.80/20,156,251.11 = 8,414,449.46/x - Step 3: Cross multiply
14,609,526.80x = 20,156,251.11 × 8,414,449.46 - Step 4: Simplify right side
14,609,526.80x = 169,603,756,211,414.41 - Step 5: Solve for x
x = 169,603,756,211,414.41/14,609,526.80 - Step 6: Final answer
x = 11,609,120.45
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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.