Finding the Fourth Proportional to 15,523,251.16, 21,266,929.97 and 14,941,443.21
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Solution
The fourth proportional to 15,523,251.16, 21,266,929.97 and 14,941,443.21 is: 20,469,850.23
Step by Step Solution
- Step 1: Write the proportion equation
15,523,251.16 : 21,266,929.97 = 14,941,443.21 : x - Step 2: Convert to fraction form
15,523,251.16/21,266,929.97 = 14,941,443.21/x - Step 3: Cross multiply
15,523,251.16x = 21,266,929.97 × 14,941,443.21 - Step 4: Simplify right side
15,523,251.16x = 317,758,626,376,985.31 - Step 5: Solve for x
x = 317,758,626,376,985.31/15,523,251.16 - Step 6: Final answer
x = 20,469,850.23
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Why These Related Problems?
These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.