Finding the Fourth Proportional to 7,709,632.62, 11,556,311 and 2,587,205.70
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Solution
The fourth proportional to 7,709,632.62, 11,556,311 and 2,587,205.70 is: 3,878,077.62
Step by Step Solution
- Step 1: Write the proportion equation
7,709,632.62 : 11,556,311 = 2,587,205.70 : x - Step 2: Convert to fraction form
7,709,632.62/11,556,311 = 2,587,205.70/x - Step 3: Cross multiply
7,709,632.62x = 11,556,311 × 2,587,205.70 - Step 4: Simplify right side
7,709,632.62x = 29,898,553,690,172.70 - Step 5: Solve for x
x = 29,898,553,690,172.70/7,709,632.62 - Step 6: Final answer
x = 3,878,077.62
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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.