Finding the Fourth Proportional to 7,365,471.30, 11,029,544.55 and 5,872,479.30
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Solution
The fourth proportional to 7,365,471.30, 11,029,544.55 and 5,872,479.30 is: 8,793,839.45
Step by Step Solution
- Step 1: Write the proportion equation
7,365,471.30 : 11,029,544.55 = 5,872,479.30 : x - Step 2: Convert to fraction form
7,365,471.30/11,029,544.55 = 5,872,479.30/x - Step 3: Cross multiply
7,365,471.30x = 11,029,544.55 × 5,872,479.30 - Step 4: Simplify right side
7,365,471.30x = 64,770,772,058,302.82 - Step 5: Solve for x
x = 64,770,772,058,302.82/7,365,471.30 - Step 6: Final answer
x = 8,793,839.45
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.