Finding the Fourth Proportional to 7,244,467.80, 10,866,701.70 and 3,885,235.80
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Solution
The fourth proportional to 7,244,467.80, 10,866,701.70 and 3,885,235.80 is: 5,827,853.70
Step by Step Solution
- Step 1: Write the proportion equation
7,244,467.80 : 10,866,701.70 = 3,885,235.80 : x - Step 2: Convert to fraction form
7,244,467.80/10,866,701.70 = 3,885,235.80/x - Step 3: Cross multiply
7,244,467.80x = 10,866,701.70 × 3,885,235.80 - Step 4: Simplify right side
7,244,467.80x = 42,219,698,472,760.85 - Step 5: Solve for x
x = 42,219,698,472,760.85/7,244,467.80 - Step 6: Final answer
x = 5,827,853.70
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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.