Finding the Fourth Proportional to 7,865,239.32, 10,859,250.42 and 4,929,468.84
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Solution
The fourth proportional to 7,865,239.32, 10,859,250.42 and 4,929,468.84 is: 6,805,938.69
Step by Step Solution
- Step 1: Write the proportion equation
7,865,239.32 : 10,859,250.42 = 4,929,468.84 : x - Step 2: Convert to fraction form
7,865,239.32/10,859,250.42 = 4,929,468.84/x - Step 3: Cross multiply
7,865,239.32x = 10,859,250.42 × 4,929,468.84 - Step 4: Simplify right side
7,865,239.32x = 53,530,336,571,146.91 - Step 5: Solve for x
x = 53,530,336,571,146.91/7,865,239.32 - Step 6: Final answer
x = 6,805,938.69
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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.