Finding the Fourth Proportional to 7,285,311.93, 10,053,745.47 and 4,022,132.97
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Solution
The fourth proportional to 7,285,311.93, 10,053,745.47 and 4,022,132.97 is: 5,550,551.78
Step by Step Solution
- Step 1: Write the proportion equation
7,285,311.93 : 10,053,745.47 = 4,022,132.97 : x - Step 2: Convert to fraction form
7,285,311.93/10,053,745.47 = 4,022,132.97/x - Step 3: Cross multiply
7,285,311.93x = 10,053,745.47 × 4,022,132.97 - Step 4: Simplify right side
7,285,311.93x = 40,437,501,126,875.15 - Step 5: Solve for x
x = 40,437,501,126,875.15/7,285,311.93 - Step 6: Final answer
x = 5,550,551.78
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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.