Finding the Fourth Proportional to 8,236,733.13, 12,346,869.29 and 3,911,172.75
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Solution
The fourth proportional to 8,236,733.13, 12,346,869.29 and 3,911,172.75 is: 5,862,850.95
Step by Step Solution
- Step 1: Write the proportion equation
8,236,733.13 : 12,346,869.29 = 3,911,172.75 : x - Step 2: Convert to fraction form
8,236,733.13/12,346,869.29 = 3,911,172.75/x - Step 3: Cross multiply
8,236,733.13x = 12,346,869.29 × 3,911,172.75 - Step 4: Simplify right side
8,236,733.13x = 48,290,738,695,303.98 - Step 5: Solve for x
x = 48,290,738,695,303.98/8,236,733.13 - Step 6: Final answer
x = 5,862,850.95
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.