Finding the Fourth Proportional to 7,135,620.26, 9,847,228.05 and 3,872,463.17
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Solution
The fourth proportional to 7,135,620.26, 9,847,228.05 and 3,872,463.17 is: 5,344,038.29
Step by Step Solution
- Step 1: Write the proportion equation
7,135,620.26 : 9,847,228.05 = 3,872,463.17 : x - Step 2: Convert to fraction form
7,135,620.26/9,847,228.05 = 3,872,463.17/x - Step 3: Cross multiply
7,135,620.26x = 9,847,228.05 × 3,872,463.17 - Step 4: Simplify right side
7,135,620.26x = 38,133,027,900,979.78 - Step 5: Solve for x
x = 38,133,027,900,979.78/7,135,620.26 - Step 6: Final answer
x = 5,344,038.29
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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.