Finding the Fourth Proportional to 11,110,753.75, 15,332,727.21 and 6,149,204.74
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Solution
The fourth proportional to 11,110,753.75, 15,332,727.21 and 6,149,204.74 is: 8,485,840.02
Step by Step Solution
- Step 1: Write the proportion equation
11,110,753.75 : 15,332,727.21 = 6,149,204.74 : x - Step 2: Convert to fraction form
11,110,753.75/15,332,727.21 = 6,149,204.74/x - Step 3: Cross multiply
11,110,753.75x = 15,332,727.21 × 6,149,204.74 - Step 4: Simplify right side
11,110,753.75x = 94,284,078,836,858.98 - Step 5: Solve for x
x = 94,284,078,836,858.98/11,110,753.75 - Step 6: Final answer
x = 8,485,840.02
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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.