Finding the Fourth Proportional to 8,416,546.80, 11,615,062.68 and 5,153,299.44
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Solution
The fourth proportional to 8,416,546.80, 11,615,062.68 and 5,153,299.44 is: 7,111,692.89
Step by Step Solution
- Step 1: Write the proportion equation
8,416,546.80 : 11,615,062.68 = 5,153,299.44 : x - Step 2: Convert to fraction form
8,416,546.80/11,615,062.68 = 5,153,299.44/x - Step 3: Cross multiply
8,416,546.80x = 11,615,062.68 × 5,153,299.44 - Step 4: Simplify right side
8,416,546.80x = 59,855,896,004,408.91 - Step 5: Solve for x
x = 59,855,896,004,408.91/8,416,546.80 - Step 6: Final answer
x = 7,111,692.89
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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.