Finding the Fourth Proportional to 10,008,926.97, 13,812,305.99 and 5,425,247.13
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Solution
The fourth proportional to 10,008,926.97, 13,812,305.99 and 5,425,247.13 is: 7,486,833.87
Step by Step Solution
- Step 1: Write the proportion equation
10,008,926.97 : 13,812,305.99 = 5,425,247.13 : x - Step 2: Convert to fraction form
10,008,926.97/13,812,305.99 = 5,425,247.13/x - Step 3: Cross multiply
10,008,926.97x = 13,812,305.99 × 5,425,247.13 - Step 4: Simplify right side
10,008,926.97x = 74,935,173,430,929.31 - Step 5: Solve for x
x = 74,935,173,430,929.31/10,008,926.97 - Step 6: Final answer
x = 7,486,833.87
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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.