Finding the Fourth Proportional to 8,107,124.94, 11,187,659.70 and 4,436,026.74
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Solution
The fourth proportional to 8,107,124.94, 11,187,659.70 and 4,436,026.74 is: 6,121,622.39
Step by Step Solution
- Step 1: Write the proportion equation
8,107,124.94 : 11,187,659.70 = 4,436,026.74 : x - Step 2: Convert to fraction form
8,107,124.94/11,187,659.70 = 4,436,026.74/x - Step 3: Cross multiply
8,107,124.94x = 11,187,659.70 × 4,436,026.74 - Step 4: Simplify right side
8,107,124.94x = 49,628,757,587,220.38 - Step 5: Solve for x
x = 49,628,757,587,220.38/8,107,124.94 - Step 6: Final answer
x = 6,121,622.39
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1.5x scale
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.