Finding the Fourth Proportional to 18,895,953.80, 26,074,752.80 and 10,522,690.99
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Solution
The fourth proportional to 18,895,953.80, 26,074,752.80 and 10,522,690.99 is: 14,520,387.23
Step by Step Solution
- Step 1: Write the proportion equation
18,895,953.80 : 26,074,752.80 = 10,522,690.99 : x - Step 2: Convert to fraction form
18,895,953.80/26,074,752.80 = 10,522,690.99/x - Step 3: Cross multiply
18,895,953.80x = 26,074,752.80 × 10,522,690.99 - Step 4: Simplify right side
18,895,953.80x = 274,376,566,237,236.97 - Step 5: Solve for x
x = 274,376,566,237,236.97/18,895,953.80 - Step 6: Final answer
x = 14,520,387.23
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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.