Finding the Fourth Proportional to 7,832,473.70, 10,808,844.81 and 4,394,490.26
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Solution
The fourth proportional to 7,832,473.70, 10,808,844.81 and 4,394,490.26 is: 6,064,414.01
Step by Step Solution
- Step 1: Write the proportion equation
7,832,473.70 : 10,808,844.81 = 4,394,490.26 : x - Step 2: Convert to fraction form
7,832,473.70/10,808,844.81 = 4,394,490.26/x - Step 3: Cross multiply
7,832,473.70x = 10,808,844.81 × 4,394,490.26 - Step 4: Simplify right side
7,832,473.70x = 47,499,363,239,396.55 - Step 5: Solve for x
x = 47,499,363,239,396.55/7,832,473.70 - Step 6: Final answer
x = 6,064,414.01
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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.