Finding the Fourth Proportional to 18,337,854.74, 25,304,596.20 and 10,077,821.82
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Solution
The fourth proportional to 18,337,854.74, 25,304,596.20 and 10,077,821.82 is: 13,906,490.99
Step by Step Solution
- Step 1: Write the proportion equation
18,337,854.74 : 25,304,596.20 = 10,077,821.82 : x - Step 2: Convert to fraction form
18,337,854.74/25,304,596.20 = 10,077,821.82/x - Step 3: Cross multiply
18,337,854.74x = 25,304,596.20 × 10,077,821.82 - Step 4: Simplify right side
18,337,854.74x = 255,015,211,730,649.09 - Step 5: Solve for x
x = 255,015,211,730,649.09/18,337,854.74 - Step 6: Final answer
x = 13,906,490.99
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.