Finding the Fourth Proportional to 14,098,080.62, 19,455,351.24 and 7,986,509.12
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Solution
The fourth proportional to 14,098,080.62, 19,455,351.24 and 7,986,509.12 is: 11,021,382.58
Step by Step Solution
- Step 1: Write the proportion equation
14,098,080.62 : 19,455,351.24 = 7,986,509.12 : x - Step 2: Convert to fraction form
14,098,080.62/19,455,351.24 = 7,986,509.12/x - Step 3: Cross multiply
14,098,080.62x = 19,455,351.24 × 7,986,509.12 - Step 4: Simplify right side
14,098,080.62x = 155,380,340,111,063.31 - Step 5: Solve for x
x = 155,380,340,111,063.31/14,098,080.62 - Step 6: Final answer
x = 11,021,382.58
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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.