Finding the Fourth Proportional to 11,613,125.65, 16,026,525.57 and 6,386,531.17
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Solution
The fourth proportional to 11,613,125.65, 16,026,525.57 and 6,386,531.17 is: 8,813,639.69
Step by Step Solution
- Step 1: Write the proportion equation
11,613,125.65 : 16,026,525.57 = 6,386,531.17 : x - Step 2: Convert to fraction form
11,613,125.65/16,026,525.57 = 6,386,531.17/x - Step 3: Cross multiply
11,613,125.65x = 16,026,525.57 × 6,386,531.17 - Step 4: Simplify right side
11,613,125.65x = 102,353,905,099,607.02 - Step 5: Solve for x
x = 102,353,905,099,607.02/11,613,125.65 - Step 6: Final answer
x = 8,813,639.69
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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.