Finding the Fourth Proportional to 19,953,768.80, 27,537,145.90 and 11,251,754.52
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Solution
The fourth proportional to 19,953,768.80, 27,537,145.90 and 11,251,754.52 is: 15,527,954.09
Step by Step Solution
- Step 1: Write the proportion equation
19,953,768.80 : 27,537,145.90 = 11,251,754.52 : x - Step 2: Convert to fraction form
19,953,768.80/27,537,145.90 = 11,251,754.52/x - Step 3: Cross multiply
19,953,768.80x = 27,537,145.90 × 11,251,754.52 - Step 4: Simplify right side
19,953,768.80x = 309,841,205,848,224.44 - Step 5: Solve for x
x = 309,841,205,848,224.44/19,953,768.80 - Step 6: Final answer
x = 15,527,954.09
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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.