Finding the Fourth Proportional to 11,865,796.74, 16,375,144.98 and 6,709,047.60
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Solution
The fourth proportional to 11,865,796.74, 16,375,144.98 and 6,709,047.60 is: 9,258,681.03
Step by Step Solution
- Step 1: Write the proportion equation
11,865,796.74 : 16,375,144.98 = 6,709,047.60 : x - Step 2: Convert to fraction form
11,865,796.74/16,375,144.98 = 6,709,047.60/x - Step 3: Cross multiply
11,865,796.74x = 16,375,144.98 × 6,709,047.60 - Step 4: Simplify right side
11,865,796.74x = 109,861,627,127,721.05 - Step 5: Solve for x
x = 109,861,627,127,721.05/11,865,796.74 - Step 6: Final answer
x = 9,258,681.03
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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.