Finding the Fourth Proportional to 11,536,246.80, 17,305,925.40 and 3,965,533.20
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Solution
The fourth proportional to 11,536,246.80, 17,305,925.40 and 3,965,533.20 is: 5,948,834.39
Step by Step Solution
- Step 1: Write the proportion equation
11,536,246.80 : 17,305,925.40 = 3,965,533.20 : x - Step 2: Convert to fraction form
11,536,246.80/17,305,925.40 = 3,965,533.20/x - Step 3: Cross multiply
11,536,246.80x = 17,305,925.40 × 3,965,533.20 - Step 4: Simplify right side
11,536,246.80x = 68,627,221,730,423.27 - Step 5: Solve for x
x = 68,627,221,730,423.27/11,536,246.80 - Step 6: Final answer
x = 5,948,834.39
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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.