Finding the Fourth Proportional to 8,910,727.68, 13,343,481.60 and 7,467,617.28
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Solution
The fourth proportional to 8,910,727.68, 13,343,481.60 and 7,467,617.28 is: 11,182,477.72
Step by Step Solution
- Step 1: Write the proportion equation
8,910,727.68 : 13,343,481.60 = 7,467,617.28 : x - Step 2: Convert to fraction form
8,910,727.68/13,343,481.60 = 7,467,617.28/x - Step 3: Cross multiply
8,910,727.68x = 13,343,481.60 × 7,467,617.28 - Step 4: Simplify right side
8,910,727.68x = 99,644,013,771,522.05 - Step 5: Solve for x
x = 99,644,013,771,522.05/8,910,727.68 - Step 6: Final answer
x = 11,182,477.72
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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.