Finding the Fourth Proportional to 11,432,214.54, 15,776,393.94 and 6,275,663.82
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Solution
The fourth proportional to 11,432,214.54, 15,776,393.94 and 6,275,663.82 is: 8,660,381.97
Step by Step Solution
- Step 1: Write the proportion equation
11,432,214.54 : 15,776,393.94 = 6,275,663.82 : x - Step 2: Convert to fraction form
11,432,214.54/15,776,393.94 = 6,275,663.82/x - Step 3: Cross multiply
11,432,214.54x = 15,776,393.94 × 6,275,663.82 - Step 4: Simplify right side
11,432,214.54x = 99,007,344,659,325.25 - Step 5: Solve for x
x = 99,007,344,659,325.25/11,432,214.54 - Step 6: Final answer
x = 8,660,381.97
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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.