Finding the Fourth Proportional to 7,539,196.62, 11,306,926.58 and 2,147,893.76
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Solution
The fourth proportional to 7,539,196.62, 11,306,926.58 and 2,147,893.76 is: 3,221,308.34
Step by Step Solution
- Step 1: Write the proportion equation
7,539,196.62 : 11,306,926.58 = 2,147,893.76 : x - Step 2: Convert to fraction form
7,539,196.62/11,306,926.58 = 2,147,893.76/x - Step 3: Cross multiply
7,539,196.62x = 11,306,926.58 × 2,147,893.76 - Step 4: Simplify right side
7,539,196.62x = 24,286,076,978,686.04 - Step 5: Solve for x
x = 24,286,076,978,686.04/7,539,196.62 - Step 6: Final answer
x = 3,221,308.34
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.