Finding the Fourth Proportional to 9,750,351.44, 13,455,472.84 and 5,399,432.49
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Solution
The fourth proportional to 9,750,351.44, 13,455,472.84 and 5,399,432.49 is: 7,451,210.11
Step by Step Solution
- Step 1: Write the proportion equation
9,750,351.44 : 13,455,472.84 = 5,399,432.49 : x - Step 2: Convert to fraction form
9,750,351.44/13,455,472.84 = 5,399,432.49/x - Step 3: Cross multiply
9,750,351.44x = 13,455,472.84 × 5,399,432.49 - Step 4: Simplify right side
9,750,351.44x = 72,651,917,193,611.42 - Step 5: Solve for x
x = 72,651,917,193,611.42/9,750,351.44 - Step 6: Final answer
x = 7,451,210.11
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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.