Finding the Fourth Proportional to 14,356,855.14, 21,532,725.74 and 5,720,231.76
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Solution
The fourth proportional to 14,356,855.14, 21,532,725.74 and 5,720,231.76 is: 8,579,328.85
Step by Step Solution
- Step 1: Write the proportion equation
14,356,855.14 : 21,532,725.74 = 5,720,231.76 : x - Step 2: Convert to fraction form
14,356,855.14/21,532,725.74 = 5,720,231.76/x - Step 3: Cross multiply
14,356,855.14x = 21,532,725.74 × 5,720,231.76 - Step 4: Simplify right side
14,356,855.14x = 123,172,181,521,052.70 - Step 5: Solve for x
x = 123,172,181,521,052.70/14,356,855.14 - Step 6: Final answer
x = 8,579,328.85
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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.