Finding the Fourth Proportional to 19,850,357.65, 27,392,292.69 and 11,029,507.31
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Solution
The fourth proportional to 19,850,357.65, 27,392,292.69 and 11,029,507.31 is: 15,220,052.85
Step by Step Solution
- Step 1: Write the proportion equation
19,850,357.65 : 27,392,292.69 = 11,029,507.31 : x - Step 2: Convert to fraction form
19,850,357.65/27,392,292.69 = 11,029,507.31/x - Step 3: Cross multiply
19,850,357.65x = 27,392,292.69 × 11,029,507.31 - Step 4: Simplify right side
19,850,357.65x = 302,123,492,479,134.75 - Step 5: Solve for x
x = 302,123,492,479,134.75/19,850,357.65 - Step 6: Final answer
x = 15,220,052.85
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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.