Finding the Fourth Proportional to 7,708,202.40, 10,633,033.44 and 6,070,576.80
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Solution
The fourth proportional to 7,708,202.40, 10,633,033.44 and 6,070,576.80 is: 8,374,020.66
Step by Step Solution
- Step 1: Write the proportion equation
7,708,202.40 : 10,633,033.44 = 6,070,576.80 : x - Step 2: Convert to fraction form
7,708,202.40/10,633,033.44 = 6,070,576.80/x - Step 3: Cross multiply
7,708,202.40x = 10,633,033.44 × 6,070,576.80 - Step 4: Simplify right side
7,708,202.40x = 64,548,646,114,488.19 - Step 5: Solve for x
x = 64,548,646,114,488.19/7,708,202.40 - Step 6: Final answer
x = 8,374,020.66
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.