Finding the Fourth Proportional to 11,379,535.26, 15,703,607.61 and 6,485,048.70
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Solution
The fourth proportional to 11,379,535.26, 15,703,607.61 and 6,485,048.70 is: 8,949,281.13
Step by Step Solution
- Step 1: Write the proportion equation
11,379,535.26 : 15,703,607.61 = 6,485,048.70 : x - Step 2: Convert to fraction form
11,379,535.26/15,703,607.61 = 6,485,048.70/x - Step 3: Cross multiply
11,379,535.26x = 15,703,607.61 × 6,485,048.70 - Step 4: Simplify right side
11,379,535.26x = 101,838,660,116,540.61 - Step 5: Solve for x
x = 101,838,660,116,540.61/11,379,535.26 - Step 6: Final answer
x = 8,949,281.13
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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.