Finding the Fourth Proportional to 19,747,392.99, 27,251,500.92 and 11,045,565.57
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Solution
The fourth proportional to 19,747,392.99, 27,251,500.92 and 11,045,565.57 is: 15,242,935.63
Step by Step Solution
- Step 1: Write the proportion equation
19,747,392.99 : 27,251,500.92 = 11,045,565.57 : x - Step 2: Convert to fraction form
19,747,392.99/27,251,500.92 = 11,045,565.57/x - Step 3: Cross multiply
19,747,392.99x = 27,251,500.92 × 11,045,565.57 - Step 4: Simplify right side
19,747,392.99x = 301,008,240,292,775.38 - Step 5: Solve for x
x = 301,008,240,292,775.38/19,747,392.99 - Step 6: Final answer
x = 15,242,935.63
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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.