Finding the Fourth Proportional to 7,388,522.90, 11,081,747.55 and 2,340,343.70
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Solution
The fourth proportional to 7,388,522.90, 11,081,747.55 and 2,340,343.70 is: 3,510,187.14
Step by Step Solution
- Step 1: Write the proportion equation
7,388,522.90 : 11,081,747.55 = 2,340,343.70 : x - Step 2: Convert to fraction form
7,388,522.90/11,081,747.55 = 2,340,343.70/x - Step 3: Cross multiply
7,388,522.90x = 11,081,747.55 × 2,340,343.70 - Step 4: Simplify right side
7,388,522.90x = 25,935,098,063,632.94 - Step 5: Solve for x
x = 25,935,098,063,632.94/7,388,522.90 - Step 6: Final answer
x = 3,510,187.14
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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.