Finding the Fourth Proportional to 11,586,866.28, 15,986,176.42 and 6,691,441.80
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Solution
The fourth proportional to 11,586,866.28, 15,986,176.42 and 6,691,441.80 is: 9,232,053.48
Step by Step Solution
- Step 1: Write the proportion equation
11,586,866.28 : 15,986,176.42 = 6,691,441.80 : x - Step 2: Convert to fraction form
11,586,866.28/15,986,176.42 = 6,691,441.80/x - Step 3: Cross multiply
11,586,866.28x = 15,986,176.42 × 6,691,441.80 - Step 4: Simplify right side
11,586,866.28x = 106,970,569,118,962.36 - Step 5: Solve for x
x = 106,970,569,118,962.36/11,586,866.28 - Step 6: Final answer
x = 9,232,053.48
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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.