Finding the Fourth Proportional to 14,126,513.36, 19,494,221.64 and 8,247,273.68
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Solution
The fourth proportional to 14,126,513.36, 19,494,221.64 and 8,247,273.68 is: 11,381,023.54
Step by Step Solution
- Step 1: Write the proportion equation
14,126,513.36 : 19,494,221.64 = 8,247,273.68 : x - Step 2: Convert to fraction form
14,126,513.36/19,494,221.64 = 8,247,273.68/x - Step 3: Cross multiply
14,126,513.36x = 19,494,221.64 × 8,247,273.68 - Step 4: Simplify right side
14,126,513.36x = 160,774,181,043,658.44 - Step 5: Solve for x
x = 160,774,181,043,658.44/14,126,513.36 - Step 6: Final answer
x = 11,381,023.54
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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.