Finding the Fourth Proportional to 8,431,437.62, 12,646,134 and 2,366,656.99
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Solution
The fourth proportional to 8,431,437.62, 12,646,134 and 2,366,656.99 is: 3,549,698.49
Step by Step Solution
- Step 1: Write the proportion equation
8,431,437.62 : 12,646,134 = 2,366,656.99 : x - Step 2: Convert to fraction form
8,431,437.62/12,646,134 = 2,366,656.99/x - Step 3: Cross multiply
8,431,437.62x = 12,646,134 × 2,366,656.99 - Step 4: Simplify right side
8,431,437.62x = 29,929,061,395,961.32 - Step 5: Solve for x
x = 29,929,061,395,961.32/8,431,437.62 - Step 6: Final answer
x = 3,549,698.49
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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.