Finding the Fourth Proportional to 7,542,384.92, 10,408,725.84 and 4,279,337.12
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Solution
The fourth proportional to 7,542,384.92, 10,408,725.84 and 4,279,337.12 is: 5,905,618.36
Step by Step Solution
- Step 1: Write the proportion equation
7,542,384.92 : 10,408,725.84 = 4,279,337.12 : x - Step 2: Convert to fraction form
7,542,384.92/10,408,725.84 = 4,279,337.12/x - Step 3: Cross multiply
7,542,384.92x = 10,408,725.84 × 4,279,337.12 - Step 4: Simplify right side
7,542,384.92x = 44,542,446,859,015.18 - Step 5: Solve for x
x = 44,542,446,859,015.18/7,542,384.92 - Step 6: Final answer
x = 5,905,618.36
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1.5x scale
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.