Finding the Fourth Proportional to 12,371,949.70, 18,557,924.55 and 3,274,029.70
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Solution
The fourth proportional to 12,371,949.70, 18,557,924.55 and 3,274,029.70 is: 4,911,044.55
Step by Step Solution
- Step 1: Write the proportion equation
12,371,949.70 : 18,557,924.55 = 3,274,029.70 : x - Step 2: Convert to fraction form
12,371,949.70/18,557,924.55 = 3,274,029.70/x - Step 3: Cross multiply
12,371,949.70x = 18,557,924.55 × 3,274,029.70 - Step 4: Simplify right side
12,371,949.70x = 60,759,196,147,059.14 - Step 5: Solve for x
x = 60,759,196,147,059.14/12,371,949.70 - Step 6: Final answer
x = 4,911,044.55
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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.