Finding the Fourth Proportional to 19,964,738.74, 27,551,357.82 and 10,797,381.48
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Solution
The fourth proportional to 19,964,738.74, 27,551,357.82 and 10,797,381.48 is: 14,900,396.37
Step by Step Solution
- Step 1: Write the proportion equation
19,964,738.74 : 27,551,357.82 = 10,797,381.48 : x - Step 2: Convert to fraction form
19,964,738.74/27,551,357.82 = 10,797,381.48/x - Step 3: Cross multiply
19,964,738.74x = 27,551,357.82 × 10,797,381.48 - Step 4: Simplify right side
19,964,738.74x = 297,482,520,674,521.19 - Step 5: Solve for x
x = 297,482,520,674,521.19/19,964,738.74 - Step 6: Final answer
x = 14,900,396.37
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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.