Finding the Fourth Proportional to 7,175,687.36, 10,761,693.95 and 2,125,816.88
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Solution
The fourth proportional to 7,175,687.36, 10,761,693.95 and 2,125,816.88 is: 3,188,181.07
Step by Step Solution
- Step 1: Write the proportion equation
7,175,687.36 : 10,761,693.95 = 2,125,816.88 : x - Step 2: Convert to fraction form
7,175,687.36/10,761,693.95 = 2,125,816.88/x - Step 3: Cross multiply
7,175,687.36x = 10,761,693.95 × 2,125,816.88 - Step 4: Simplify right side
7,175,687.36x = 22,877,390,607,809.95 - Step 5: Solve for x
x = 22,877,390,607,809.95/7,175,687.36 - Step 6: Final answer
x = 3,188,181.07
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.