Finding the Fourth Proportional to 19,579,633.80, 29,369,450.70 and 16,682,296.20
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Solution
The fourth proportional to 19,579,633.80, 29,369,450.70 and 16,682,296.20 is: 25,023,444.30
Step by Step Solution
- Step 1: Write the proportion equation
19,579,633.80 : 29,369,450.70 = 16,682,296.20 : x - Step 2: Convert to fraction form
19,579,633.80/29,369,450.70 = 16,682,296.20/x - Step 3: Cross multiply
19,579,633.80x = 29,369,450.70 × 16,682,296.20 - Step 4: Simplify right side
19,579,633.80x = 489,949,875,808,697.31 - Step 5: Solve for x
x = 489,949,875,808,697.31/19,579,633.80 - Step 6: Final answer
x = 25,023,444.30
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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.