Finding the Fourth Proportional to 50,029,649.12, 69,035,114 and 28,004,381.92
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Solution
The fourth proportional to 50,029,649.12, 69,035,114 and 28,004,381.92 is: 38,642,799.47
Step by Step Solution
- Step 1: Write the proportion equation
50,029,649.12 : 69,035,114 = 28,004,381.92 : x - Step 2: Convert to fraction form
50,029,649.12/69,035,114 = 28,004,381.92/x - Step 3: Cross multiply
50,029,649.12x = 69,035,114 × 28,004,381.92 - Step 4: Simplify right side
50,029,649.12x = 1,933,285,698,346,739 - Step 5: Solve for x
x = 1,933,285,698,346,739/50,029,649.12 - Step 6: Final answer
x = 38,642,799.47
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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.