Finding the Fourth Proportional to 7,211,281.36, 9,951,549.96 and 4,310,530.96
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Solution
The fourth proportional to 7,211,281.36, 9,951,549.96 and 4,310,530.96 is: 5,948,521.78
Step by Step Solution
- Step 1: Write the proportion equation
7,211,281.36 : 9,951,549.96 = 4,310,530.96 : x - Step 2: Convert to fraction form
7,211,281.36/9,951,549.96 = 4,310,530.96/x - Step 3: Cross multiply
7,211,281.36x = 9,951,549.96 × 4,310,530.96 - Step 4: Simplify right side
7,211,281.36x = 42,896,464,202,566.77 - Step 5: Solve for x
x = 42,896,464,202,566.77/7,211,281.36 - Step 6: Final answer
x = 5,948,521.78
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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.