Finding the Fourth Proportional to 8,075,732.10, 12,112,159.84 and 3,217,631.44
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Solution
The fourth proportional to 8,075,732.10, 12,112,159.84 and 3,217,631.44 is: 4,825,874.09
Step by Step Solution
- Step 1: Write the proportion equation
8,075,732.10 : 12,112,159.84 = 3,217,631.44 : x - Step 2: Convert to fraction form
8,075,732.10/12,112,159.84 = 3,217,631.44/x - Step 3: Cross multiply
8,075,732.10x = 12,112,159.84 × 3,217,631.44 - Step 4: Simplify right side
8,075,732.10x = 38,972,466,307,489.37 - Step 5: Solve for x
x = 38,972,466,307,489.37/8,075,732.10 - Step 6: Final answer
x = 4,825,874.09
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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.