Finding the Fourth Proportional to 10,639,464.62, 15,961,438.58 and 3,450,437.96
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Solution
The fourth proportional to 10,639,464.62, 15,961,438.58 and 3,450,437.96 is: 5,176,383.91
Step by Step Solution
- Step 1: Write the proportion equation
10,639,464.62 : 15,961,438.58 = 3,450,437.96 : x - Step 2: Convert to fraction form
10,639,464.62/15,961,438.58 = 3,450,437.96/x - Step 3: Cross multiply
10,639,464.62x = 15,961,438.58 × 3,450,437.96 - Step 4: Simplify right side
10,639,464.62x = 55,073,953,475,581.11 - Step 5: Solve for x
x = 55,073,953,475,581.11/10,639,464.62 - Step 6: Final answer
x = 5,176,383.91
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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.