Finding the Fourth Proportional to 15,051,006.84, 20,770,775.84 and 8,175,882.36
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Solution
The fourth proportional to 15,051,006.84, 20,770,775.84 and 8,175,882.36 is: 11,282,927.55
Step by Step Solution
- Step 1: Write the proportion equation
15,051,006.84 : 20,770,775.84 = 8,175,882.36 : x - Step 2: Convert to fraction form
15,051,006.84/20,770,775.84 = 8,175,882.36/x - Step 3: Cross multiply
15,051,006.84x = 20,770,775.84 × 8,175,882.36 - Step 4: Simplify right side
15,051,006.84x = 169,819,419,793,770.19 - Step 5: Solve for x
x = 169,819,419,793,770.19/15,051,006.84 - Step 6: Final answer
x = 11,282,927.55
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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.