Finding the Fourth Proportional to 8,539,073.36, 12,808,535.52 and 3,486,837.68
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Solution
The fourth proportional to 8,539,073.36, 12,808,535.52 and 3,486,837.68 is: 5,230,226.09
Step by Step Solution
- Step 1: Write the proportion equation
8,539,073.36 : 12,808,535.52 = 3,486,837.68 : x - Step 2: Convert to fraction form
8,539,073.36/12,808,535.52 = 3,486,837.68/x - Step 3: Cross multiply
8,539,073.36x = 12,808,535.52 × 3,486,837.68 - Step 4: Simplify right side
8,539,073.36x = 44,661,284,276,754.39 - Step 5: Solve for x
x = 44,661,284,276,754.39/8,539,073.36 - Step 6: Final answer
x = 5,230,226.09
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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.