Finding the Fourth Proportional to 15,247,778.81, 22,864,954.12 and 7,163,052.17
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Solution
The fourth proportional to 15,247,778.81, 22,864,954.12 and 7,163,052.17 is: 10,741,424.13
Step by Step Solution
- Step 1: Write the proportion equation
15,247,778.81 : 22,864,954.12 = 7,163,052.17 : x - Step 2: Convert to fraction form
15,247,778.81/22,864,954.12 = 7,163,052.17/x - Step 3: Cross multiply
15,247,778.81x = 22,864,954.12 × 7,163,052.17 - Step 4: Simplify right side
15,247,778.81x = 163,782,859,206,589.06 - Step 5: Solve for x
x = 163,782,859,206,589.06/15,247,778.81 - Step 6: Final answer
x = 10,741,424.13
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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.