Finding the Fourth Proportional to 15,363,493.44, 21,201,370.13 and 8,394,021
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Solution
The fourth proportional to 15,363,493.44, 21,201,370.13 and 8,394,021 is: 11,583,611.94
Step by Step Solution
- Step 1: Write the proportion equation
15,363,493.44 : 21,201,370.13 = 8,394,021 : x - Step 2: Convert to fraction form
15,363,493.44/21,201,370.13 = 8,394,021/x - Step 3: Cross multiply
15,363,493.44x = 21,201,370.13 × 8,394,021 - Step 4: Simplify right side
15,363,493.44x = 177,964,746,099,992.72 - Step 5: Solve for x
x = 177,964,746,099,992.72/15,363,493.44 - Step 6: Final answer
x = 11,583,611.94
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.