Finding the Fourth Proportional to 18,278,929.60, 27,420,217.81 and 6,767,474.67
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Solution
The fourth proportional to 18,278,929.60, 27,420,217.81 and 6,767,474.67 is: 10,151,887.09
Step by Step Solution
- Step 1: Write the proportion equation
18,278,929.60 : 27,420,217.81 = 6,767,474.67 : x - Step 2: Convert to fraction form
18,278,929.60/27,420,217.81 = 6,767,474.67/x - Step 3: Cross multiply
18,278,929.60x = 27,420,217.81 × 6,767,474.67 - Step 4: Simplify right side
18,278,929.60x = 185,565,629,458,139.19 - Step 5: Solve for x
x = 185,565,629,458,139.19/18,278,929.60 - Step 6: Final answer
x = 10,151,887.09
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.