Finding the Fourth Proportional to 7,175,622.13, 10,763,472.14 and 1,856,838.13
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Solution
The fourth proportional to 7,175,622.13, 10,763,472.14 and 1,856,838.13 is: 2,785,267.27
Step by Step Solution
- Step 1: Write the proportion equation
7,175,622.13 : 10,763,472.14 = 1,856,838.13 : x - Step 2: Convert to fraction form
7,175,622.13/10,763,472.14 = 1,856,838.13/x - Step 3: Cross multiply
7,175,622.13x = 10,763,472.14 × 1,856,838.13 - Step 4: Simplify right side
7,175,622.13x = 19,986,025,480,744.70 - Step 5: Solve for x
x = 19,986,025,480,744.70/7,175,622.13 - Step 6: Final answer
x = 2,785,267.27
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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.