Finding the Fourth Proportional to 9,809,412.36, 13,529,320.26 and 6,372,760.68
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Solution
The fourth proportional to 9,809,412.36, 13,529,320.26 and 6,372,760.68 is: 8,789,427.65
Step by Step Solution
- Step 1: Write the proportion equation
9,809,412.36 : 13,529,320.26 = 6,372,760.68 : x - Step 2: Convert to fraction form
9,809,412.36/13,529,320.26 = 6,372,760.68/x - Step 3: Cross multiply
9,809,412.36x = 13,529,320.26 × 6,372,760.68 - Step 4: Simplify right side
9,809,412.36x = 86,219,120,180,055.38 - Step 5: Solve for x
x = 86,219,120,180,055.38/9,809,412.36 - Step 6: Final answer
x = 8,789,427.65
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.