Finding the Fourth Proportional to 18,115,752.18, 24,999,936.24 and 9,855,861.42
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Solution
The fourth proportional to 18,115,752.18, 24,999,936.24 and 9,855,861.42 is: 13,601,196.61
Step by Step Solution
- Step 1: Write the proportion equation
18,115,752.18 : 24,999,936.24 = 9,855,861.42 : x - Step 2: Convert to fraction form
18,115,752.18/24,999,936.24 = 9,855,861.42/x - Step 3: Cross multiply
18,115,752.18x = 24,999,936.24 × 9,855,861.42 - Step 4: Simplify right side
18,115,752.18x = 246,395,907,090,275.84 - Step 5: Solve for x
x = 246,395,907,090,275.84/18,115,752.18 - Step 6: Final answer
x = 13,601,196.61
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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.