Finding the Fourth Proportional to 10,107,782.44, 15,159,441.18 and 2,917,753.96
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Solution
The fourth proportional to 10,107,782.44, 15,159,441.18 and 2,917,753.96 is: 4,375,986.50
Step by Step Solution
- Step 1: Write the proportion equation
10,107,782.44 : 15,159,441.18 = 2,917,753.96 : x - Step 2: Convert to fraction form
10,107,782.44/15,159,441.18 = 2,917,753.96/x - Step 3: Cross multiply
10,107,782.44x = 15,159,441.18 × 2,917,753.96 - Step 4: Simplify right side
10,107,782.44x = 44,231,519,534,332.07 - Step 5: Solve for x
x = 44,231,519,534,332.07/10,107,782.44 - Step 6: Final answer
x = 4,375,986.50
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.