Finding the Fourth Proportional to 8,278,954.62, 12,417,453.93 and 2,214,156.39
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Solution
The fourth proportional to 8,278,954.62, 12,417,453.93 and 2,214,156.39 is: 3,320,973.02
Step by Step Solution
- Step 1: Write the proportion equation
8,278,954.62 : 12,417,453.93 = 2,214,156.39 : x - Step 2: Convert to fraction form
8,278,954.62/12,417,453.93 = 2,214,156.39/x - Step 3: Cross multiply
8,278,954.62x = 12,417,453.93 × 2,214,156.39 - Step 4: Simplify right side
8,278,954.62x = 27,494,184,965,637.77 - Step 5: Solve for x
x = 27,494,184,965,637.77/8,278,954.62 - Step 6: Final answer
x = 3,320,973.02
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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.