Finding the Fourth Proportional to 8,148,157.16, 12,223,557.98 and 2,757,138.92
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Solution
The fourth proportional to 8,148,157.16, 12,223,557.98 and 2,757,138.92 is: 4,136,155.79
Step by Step Solution
- Step 1: Write the proportion equation
8,148,157.16 : 12,223,557.98 = 2,757,138.92 : x - Step 2: Convert to fraction form
8,148,157.16/12,223,557.98 = 2,757,138.92/x - Step 3: Cross multiply
8,148,157.16x = 12,223,557.98 × 2,757,138.92 - Step 4: Simplify right side
8,148,157.16x = 33,702,047,447,534.58 - Step 5: Solve for x
x = 33,702,047,447,534.58/8,148,157.16 - Step 6: Final answer
x = 4,136,155.79
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1.5x scale
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.