Finding the Fourth Proportional to 8,931,786.44, 12,325,601.94 and 5,064,660.68
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Solution
The fourth proportional to 8,931,786.44, 12,325,601.94 and 5,064,660.68 is: 6,989,082.41
Step by Step Solution
- Step 1: Write the proportion equation
8,931,786.44 : 12,325,601.94 = 5,064,660.68 : x - Step 2: Convert to fraction form
8,931,786.44/12,325,601.94 = 5,064,660.68/x - Step 3: Cross multiply
8,931,786.44x = 12,325,601.94 × 5,064,660.68 - Step 4: Simplify right side
8,931,786.44x = 62,424,991,502,849.71 - Step 5: Solve for x
x = 62,424,991,502,849.71/8,931,786.44 - Step 6: Final answer
x = 6,989,082.41
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.