Finding the Fourth Proportional to 9,631,249.80, 13,290,772.02 and 5,280,240.70
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Solution
The fourth proportional to 9,631,249.80, 13,290,772.02 and 5,280,240.70 is: 7,286,538.80
Step by Step Solution
- Step 1: Write the proportion equation
9,631,249.80 : 13,290,772.02 = 5,280,240.70 : x - Step 2: Convert to fraction form
9,631,249.80/13,290,772.02 = 5,280,240.70/x - Step 3: Cross multiply
9,631,249.80x = 13,290,772.02 × 5,280,240.70 - Step 4: Simplify right side
9,631,249.80x = 70,178,475,354,425.21 - Step 5: Solve for x
x = 70,178,475,354,425.21/9,631,249.80 - Step 6: Final answer
x = 7,286,538.80
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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.