Finding the Fourth Proportional to 10,129,257.64, 15,195,135.76 and 3,304,006.06
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Solution
The fourth proportional to 10,129,257.64, 15,195,135.76 and 3,304,006.06 is: 4,956,416.59
Step by Step Solution
- Step 1: Write the proportion equation
10,129,257.64 : 15,195,135.76 = 3,304,006.06 : x - Step 2: Convert to fraction form
10,129,257.64/15,195,135.76 = 3,304,006.06/x - Step 3: Cross multiply
10,129,257.64x = 15,195,135.76 × 3,304,006.06 - Step 4: Simplify right side
10,129,257.64x = 50,204,820,633,562.70 - Step 5: Solve for x
x = 50,204,820,633,562.70/10,129,257.64 - Step 6: Final answer
x = 4,956,416.59
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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.