Finding the Fourth Proportional to 13,169,782.36, 19,761,485.05 and 9,556,303.92
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Solution
The fourth proportional to 13,169,782.36, 19,761,485.05 and 9,556,303.92 is: 14,339,398.48
Step by Step Solution
- Step 1: Write the proportion equation
13,169,782.36 : 19,761,485.05 = 9,556,303.92 : x - Step 2: Convert to fraction form
13,169,782.36/19,761,485.05 = 9,556,303.92/x - Step 3: Cross multiply
13,169,782.36x = 19,761,485.05 × 9,556,303.92 - Step 4: Simplify right side
13,169,782.36x = 188,846,757,125,129.09 - Step 5: Solve for x
x = 188,846,757,125,129.09/13,169,782.36 - Step 6: Final answer
x = 14,339,398.48
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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.