Finding the Fourth Proportional to 11,518,550.64, 15,895,505.38 and 6,291,562.14
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Solution
The fourth proportional to 11,518,550.64, 15,895,505.38 and 6,291,562.14 is: 8,682,304.13
Step by Step Solution
- Step 1: Write the proportion equation
11,518,550.64 : 15,895,505.38 = 6,291,562.14 : x - Step 2: Convert to fraction form
11,518,550.64/15,895,505.38 = 6,291,562.14/x - Step 3: Cross multiply
11,518,550.64x = 15,895,505.38 × 6,291,562.14 - Step 4: Simplify right side
11,518,550.64x = 100,007,559,844,974.31 - Step 5: Solve for x
x = 100,007,559,844,974.31/11,518,550.64 - Step 6: Final answer
x = 8,682,304.13
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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.