Finding the Fourth Proportional to 10,612,906.20, 14,645,859.12 and 6,029,479.08
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Solution
The fourth proportional to 10,612,906.20, 14,645,859.12 and 6,029,479.08 is: 8,320,708.72
Step by Step Solution
- Step 1: Write the proportion equation
10,612,906.20 : 14,645,859.12 = 6,029,479.08 : x - Step 2: Convert to fraction form
10,612,906.20/14,645,859.12 = 6,029,479.08/x - Step 3: Cross multiply
10,612,906.20x = 14,645,859.12 × 6,029,479.08 - Step 4: Simplify right side
10,612,906.20x = 88,306,901,172,667.20 - Step 5: Solve for x
x = 88,306,901,172,667.20/10,612,906.20 - Step 6: Final answer
x = 8,320,708.72
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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.