Finding the Fourth Proportional to 13,964,879.92, 19,274,202.34 and 9,246,953.95
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Solution
The fourth proportional to 13,964,879.92, 19,274,202.34 and 9,246,953.95 is: 12,762,563.12
Step by Step Solution
- Step 1: Write the proportion equation
13,964,879.92 : 19,274,202.34 = 9,246,953.95 : x - Step 2: Convert to fraction form
13,964,879.92/19,274,202.34 = 9,246,953.95/x - Step 3: Cross multiply
13,964,879.92x = 19,274,202.34 × 9,246,953.95 - Step 4: Simplify right side
13,964,879.92x = 178,227,661,402,669.81 - Step 5: Solve for x
x = 178,227,661,402,669.81/13,964,879.92 - Step 6: Final answer
x = 12,762,563.12
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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.