Finding the Fourth Proportional to 14,268,518.56, 21,402,720.12 and 5,168,486.44
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Solution
The fourth proportional to 14,268,518.56, 21,402,720.12 and 5,168,486.44 is: 7,752,708.75
Step by Step Solution
- Step 1: Write the proportion equation
14,268,518.56 : 21,402,720.12 = 5,168,486.44 : x - Step 2: Convert to fraction form
14,268,518.56/21,402,720.12 = 5,168,486.44/x - Step 3: Cross multiply
14,268,518.56x = 21,402,720.12 × 5,168,486.44 - Step 4: Simplify right side
14,268,518.56x = 110,619,668,719,335.19 - Step 5: Solve for x
x = 110,619,668,719,335.19/14,268,518.56 - Step 6: Final answer
x = 7,752,708.75
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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.