Finding the Fourth Proportional to 14,487,224.14, 19,992,528.44 and 7,960,855.28
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Solution
The fourth proportional to 14,487,224.14, 19,992,528.44 and 7,960,855.28 is: 10,986,067.73
Step by Step Solution
- Step 1: Write the proportion equation
14,487,224.14 : 19,992,528.44 = 7,960,855.28 : x - Step 2: Convert to fraction form
14,487,224.14/19,992,528.44 = 7,960,855.28/x - Step 3: Cross multiply
14,487,224.14x = 19,992,528.44 × 7,960,855.28 - Step 4: Simplify right side
14,487,224.14x = 159,157,625,594,668.41 - Step 5: Solve for x
x = 159,157,625,594,668.41/14,487,224.14 - Step 6: Final answer
x = 10,986,067.73
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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.