Finding the Fourth Proportional to 7,539,196.38, 11,306,926.20 and 2,147,893.50
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Solution
The fourth proportional to 7,539,196.38, 11,306,926.20 and 2,147,893.50 is: 3,221,307.96
Step by Step Solution
- Step 1: Write the proportion equation
7,539,196.38 : 11,306,926.20 = 2,147,893.50 : x - Step 2: Convert to fraction form
7,539,196.38/11,306,926.20 = 2,147,893.50/x - Step 3: Cross multiply
7,539,196.38x = 11,306,926.20 × 2,147,893.50 - Step 4: Simplify right side
7,539,196.38x = 24,286,073,289,959.70 - Step 5: Solve for x
x = 24,286,073,289,959.70/7,539,196.38 - Step 6: Final answer
x = 3,221,307.96
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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.