Finding the Fourth Proportional to 19,102,649.36, 26,361,408.84 and 10,400,722.16
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Solution
The fourth proportional to 19,102,649.36, 26,361,408.84 and 10,400,722.16 is: 14,352,861.95
Step by Step Solution
- Step 1: Write the proportion equation
19,102,649.36 : 26,361,408.84 = 10,400,722.16 : x - Step 2: Convert to fraction form
19,102,649.36/26,361,408.84 = 10,400,722.16/x - Step 3: Cross multiply
19,102,649.36x = 26,361,408.84 × 10,400,722.16 - Step 4: Simplify right side
19,102,649.36x = 274,177,689,091,007.91 - Step 5: Solve for x
x = 274,177,689,091,007.91/19,102,649.36 - Step 6: Final answer
x = 14,352,861.95
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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.