Finding the Fourth Proportional to 11,381,344.36, 15,705,866.01 and 6,488,142.36
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Solution
The fourth proportional to 11,381,344.36, 15,705,866.01 and 6,488,142.36 is: 8,953,414.58
Step by Step Solution
- Step 1: Write the proportion equation
11,381,344.36 : 15,705,866.01 = 6,488,142.36 : x - Step 2: Convert to fraction form
11,381,344.36/15,705,866.01 = 6,488,142.36/x - Step 3: Cross multiply
11,381,344.36x = 15,705,866.01 × 6,488,142.36 - Step 4: Simplify right side
11,381,344.36x = 101,901,894,525,398.72 - Step 5: Solve for x
x = 101,901,894,525,398.72/11,381,344.36 - Step 6: Final answer
x = 8,953,414.58
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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.