Finding the Fourth Proportional to 19,723,333.14, 29,531,837.79 and 12,882,967.38
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Solution
The fourth proportional to 19,723,333.14, 29,531,837.79 and 12,882,967.38 is: 19,289,726.55
Step by Step Solution
- Step 1: Write the proportion equation
19,723,333.14 : 29,531,837.79 = 12,882,967.38 : x - Step 2: Convert to fraction form
19,723,333.14/29,531,837.79 = 12,882,967.38/x - Step 3: Cross multiply
19,723,333.14x = 29,531,837.79 × 12,882,967.38 - Step 4: Simplify right side
19,723,333.14x = 380,457,702,920,021.31 - Step 5: Solve for x
x = 380,457,702,920,021.31/19,723,333.14 - Step 6: Final answer
x = 19,289,726.55
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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.