Finding the Fourth Proportional to 23,197,859.20, 34,762,574.40 and 16,821,539.20
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Solution
The fourth proportional to 23,197,859.20, 34,762,574.40 and 16,821,539.20 is: 25,207,498.80
Step by Step Solution
- Step 1: Write the proportion equation
23,197,859.20 : 34,762,574.40 = 16,821,539.20 : x - Step 2: Convert to fraction form
23,197,859.20/34,762,574.40 = 16,821,539.20/x - Step 3: Cross multiply
23,197,859.20x = 34,762,574.40 × 16,821,539.20 - Step 4: Simplify right side
23,197,859.20x = 584,760,007,962,516.38 - Step 5: Solve for x
x = 584,760,007,962,516.38/23,197,859.20 - Step 6: Final answer
x = 25,207,498.80
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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.