Finding the Fourth Proportional to 11,745,631.31, 16,210,920.64 and 6,850,853.41
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Solution
The fourth proportional to 11,745,631.31, 16,210,920.64 and 6,850,853.41 is: 9,455,314.74
Step by Step Solution
- Step 1: Write the proportion equation
11,745,631.31 : 16,210,920.64 = 6,850,853.41 : x - Step 2: Convert to fraction form
11,745,631.31/16,210,920.64 = 6,850,853.41/x - Step 3: Cross multiply
11,745,631.31x = 16,210,920.64 × 6,850,853.41 - Step 4: Simplify right side
11,745,631.31x = 111,058,640,926,664.98 - Step 5: Solve for x
x = 111,058,640,926,664.98/11,745,631.31 - Step 6: Final answer
x = 9,455,314.74
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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.