Finding the Fourth Proportional to 7,228,369.23, 9,975,164.69 and 3,965,210.32
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Solution
The fourth proportional to 7,228,369.23, 9,975,164.69 and 3,965,210.32 is: 5,471,998.54
Step by Step Solution
- Step 1: Write the proportion equation
7,228,369.23 : 9,975,164.69 = 3,965,210.32 : x - Step 2: Convert to fraction form
7,228,369.23/9,975,164.69 = 3,965,210.32/x - Step 3: Cross multiply
7,228,369.23x = 9,975,164.69 × 3,965,210.32 - Step 4: Simplify right side
7,228,369.23x = 39,553,625,902,785.73 - Step 5: Solve for x
x = 39,553,625,902,785.73/7,228,369.23 - Step 6: Final answer
x = 5,471,998.54
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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.