Finding the Fourth Proportional to 11,546,595.61, 15,933,653.59 and 6,319,593.09
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Solution
The fourth proportional to 11,546,595.61, 15,933,653.59 and 6,319,593.09 is: 8,720,683.61
Step by Step Solution
- Step 1: Write the proportion equation
11,546,595.61 : 15,933,653.59 = 6,319,593.09 : x - Step 2: Convert to fraction form
11,546,595.61/15,933,653.59 = 6,319,593.09/x - Step 3: Cross multiply
11,546,595.61x = 15,933,653.59 × 6,319,593.09 - Step 4: Simplify right side
11,546,595.61x = 100,694,207,125,817.69 - Step 5: Solve for x
x = 100,694,207,125,817.69/11,546,595.61 - Step 6: Final answer
x = 8,720,683.61
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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.