Finding the Fourth Proportional to 7,899,279.12, 11,848,327.74 and 2,850,589.44
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Solution
The fourth proportional to 7,899,279.12, 11,848,327.74 and 2,850,589.44 is: 4,275,670.91
Step by Step Solution
- Step 1: Write the proportion equation
7,899,279.12 : 11,848,327.74 = 2,850,589.44 : x - Step 2: Convert to fraction form
7,899,279.12/11,848,327.74 = 2,850,589.44/x - Step 3: Cross multiply
7,899,279.12x = 11,848,327.74 × 2,850,589.44 - Step 4: Simplify right side
7,899,279.12x = 33,774,717,937,303.07 - Step 5: Solve for x
x = 33,774,717,937,303.07/7,899,279.12 - Step 6: Final answer
x = 4,275,670.91
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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.