Finding the Fourth Proportional to 12,997,924.07, 19,497,107.55 and 4,914,706.46
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Solution
The fourth proportional to 12,997,924.07, 19,497,107.55 and 4,914,706.46 is: 7,372,143.42
Step by Step Solution
- Step 1: Write the proportion equation
12,997,924.07 : 19,497,107.55 = 4,914,706.46 : x - Step 2: Convert to fraction form
12,997,924.07/19,497,107.55 = 4,914,706.46/x - Step 3: Cross multiply
12,997,924.07x = 19,497,107.55 × 4,914,706.46 - Step 4: Simplify right side
12,997,924.07x = 95,822,560,329,814.23 - Step 5: Solve for x
x = 95,822,560,329,814.23/12,997,924.07 - Step 6: Final answer
x = 7,372,143.42
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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.