Finding the Fourth Proportional to 9,902,421.16, 14,843,148.28 and 3,330,874.20
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Solution
The fourth proportional to 9,902,421.16, 14,843,148.28 and 3,330,874.20 is: 4,992,784.99
Step by Step Solution
- Step 1: Write the proportion equation
9,902,421.16 : 14,843,148.28 = 3,330,874.20 : x - Step 2: Convert to fraction form
9,902,421.16/14,843,148.28 = 3,330,874.20/x - Step 3: Cross multiply
9,902,421.16x = 14,843,148.28 × 3,330,874.20 - Step 4: Simplify right side
9,902,421.16x = 49,440,659,699,960.99 - Step 5: Solve for x
x = 49,440,659,699,960.99/9,902,421.16 - Step 6: Final answer
x = 4,992,784.99
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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.