Finding the Fourth Proportional to 7,647,764.85, 11,471,596.25 and 3,098,746.53
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Solution
The fourth proportional to 7,647,764.85, 11,471,596.25 and 3,098,746.53 is: 4,648,099.12
Step by Step Solution
- Step 1: Write the proportion equation
7,647,764.85 : 11,471,596.25 = 3,098,746.53 : x - Step 2: Convert to fraction form
7,647,764.85/11,471,596.25 = 3,098,746.53/x - Step 3: Cross multiply
7,647,764.85x = 11,471,596.25 × 3,098,746.53 - Step 4: Simplify right side
7,647,764.85x = 35,547,569,073,248.51 - Step 5: Solve for x
x = 35,547,569,073,248.51/7,647,764.85 - Step 6: Final answer
x = 4,648,099.12
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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.