Finding the Fourth Proportional to 11,243,032.62, 15,515,381.74 and 6,086,390.37
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Solution
The fourth proportional to 11,243,032.62, 15,515,381.74 and 6,086,390.37 is: 8,399,216.94
Step by Step Solution
- Step 1: Write the proportion equation
11,243,032.62 : 15,515,381.74 = 6,086,390.37 : x - Step 2: Convert to fraction form
11,243,032.62/15,515,381.74 = 6,086,390.37/x - Step 3: Cross multiply
11,243,032.62x = 15,515,381.74 × 6,086,390.37 - Step 4: Simplify right side
11,243,032.62x = 94,432,670,009,209.84 - Step 5: Solve for x
x = 94,432,670,009,209.84/11,243,032.62 - Step 6: Final answer
x = 8,399,216.94
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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.