Finding the Fourth Proportional to 9,203,804.68, 12,701,288.82 and 5,073,745.09
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Solution
The fourth proportional to 9,203,804.68, 12,701,288.82 and 5,073,745.09 is: 7,001,789.37
Step by Step Solution
- Step 1: Write the proportion equation
9,203,804.68 : 12,701,288.82 = 5,073,745.09 : x - Step 2: Convert to fraction form
9,203,804.68/12,701,288.82 = 5,073,745.09/x - Step 3: Cross multiply
9,203,804.68x = 12,701,288.82 × 5,073,745.09 - Step 4: Simplify right side
9,203,804.68x = 64,443,101,822,050.05 - Step 5: Solve for x
x = 64,443,101,822,050.05/9,203,804.68 - Step 6: Final answer
x = 7,001,789.37
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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.