Finding the Fourth Proportional to 21,579,420.36, 32,341,229.74 and 16,145,436.14
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Solution
The fourth proportional to 21,579,420.36, 32,341,229.74 and 16,145,436.14 is: 24,197,279.20
Step by Step Solution
- Step 1: Write the proportion equation
21,579,420.36 : 32,341,229.74 = 16,145,436.14 : x - Step 2: Convert to fraction form
21,579,420.36/32,341,229.74 = 16,145,436.14/x - Step 3: Cross multiply
21,579,420.36x = 32,341,229.74 × 16,145,436.14 - Step 4: Simplify right side
21,579,420.36x = 522,163,259,456,238.81 - Step 5: Solve for x
x = 522,163,259,456,238.81/21,579,420.36 - Step 6: Final answer
x = 24,197,279.20
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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.