Finding the Fourth Proportional to 10,367,378.16, 14,306,987.97 and 5,783,699.52
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Solution
The fourth proportional to 10,367,378.16, 14,306,987.97 and 5,783,699.52 is: 7,981,508.75
Step by Step Solution
- Step 1: Write the proportion equation
10,367,378.16 : 14,306,987.97 = 5,783,699.52 : x - Step 2: Convert to fraction form
10,367,378.16/14,306,987.97 = 5,783,699.52/x - Step 3: Cross multiply
10,367,378.16x = 14,306,987.97 × 5,783,699.52 - Step 4: Simplify right side
10,367,378.16x = 82,747,319,454,734.77 - Step 5: Solve for x
x = 82,747,319,454,734.77/10,367,378.16 - Step 6: Final answer
x = 7,981,508.75
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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.