Finding the Fourth Proportional to 10,681,392.70, 14,740,240.44 and 5,786,579.77
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Solution
The fourth proportional to 10,681,392.70, 14,740,240.44 and 5,786,579.77 is: 7,985,435.94
Step by Step Solution
- Step 1: Write the proportion equation
10,681,392.70 : 14,740,240.44 = 5,786,579.77 : x - Step 2: Convert to fraction form
10,681,392.70/14,740,240.44 = 5,786,579.77/x - Step 3: Cross multiply
10,681,392.70x = 14,740,240.44 × 5,786,579.77 - Step 4: Simplify right side
10,681,392.70x = 85,295,577,135,039.89 - Step 5: Solve for x
x = 85,295,577,135,039.89/10,681,392.70 - Step 6: Final answer
x = 7,985,435.94
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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.