Finding the Fourth Proportional to 10,304,115.99, 15,457,956.36 and 3,480,738.87
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Solution
The fourth proportional to 10,304,115.99, 15,457,956.36 and 3,480,738.87 is: 5,221,710.39
Step by Step Solution
- Step 1: Write the proportion equation
10,304,115.99 : 15,457,956.36 = 3,480,738.87 : x - Step 2: Convert to fraction form
10,304,115.99/15,457,956.36 = 3,480,738.87/x - Step 3: Cross multiply
10,304,115.99x = 15,457,956.36 × 3,480,738.87 - Step 4: Simplify right side
10,304,115.99x = 53,805,109,553,015.71 - Step 5: Solve for x
x = 53,805,109,553,015.71/10,304,115.99 - Step 6: Final answer
x = 5,221,710.39
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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.