Finding the Fourth Proportional to 19,949,893.34, 27,530,840.37 and 10,782,536.09
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Solution
The fourth proportional to 19,949,893.34, 27,530,840.37 and 10,782,536.09 is: 14,879,893.08
Step by Step Solution
- Step 1: Write the proportion equation
19,949,893.34 : 27,530,840.37 = 10,782,536.09 : x - Step 2: Convert to fraction form
19,949,893.34/27,530,840.37 = 10,782,536.09/x - Step 3: Cross multiply
19,949,893.34x = 27,530,840.37 × 10,782,536.09 - Step 4: Simplify right side
19,949,893.34x = 296,852,279,739,025.94 - Step 5: Solve for x
x = 296,852,279,739,025.94/19,949,893.34 - Step 6: Final answer
x = 14,879,893.08
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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.