Finding the Fourth Proportional to 14,366,299.80, 21,549,449.70 and 4,268,920.80
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Solution
The fourth proportional to 14,366,299.80, 21,549,449.70 and 4,268,920.80 is: 6,403,381.20
Step by Step Solution
- Step 1: Write the proportion equation
14,366,299.80 : 21,549,449.70 = 4,268,920.80 : x - Step 2: Convert to fraction form
14,366,299.80/21,549,449.70 = 4,268,920.80/x - Step 3: Cross multiply
14,366,299.80x = 21,549,449.70 × 4,268,920.80 - Step 4: Simplify right side
14,366,299.80x = 91,992,894,052,883.75 - Step 5: Solve for x
x = 91,992,894,052,883.75/14,366,299.80 - Step 6: Final answer
x = 6,403,381.20
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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.