Finding the Fourth Proportional to 19,998,588.09, 27,597,966.42 and 11,178,027.67
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Solution
The fourth proportional to 19,998,588.09, 27,597,966.42 and 11,178,027.67 is: 15,425,630.59
Step by Step Solution
- Step 1: Write the proportion equation
19,998,588.09 : 27,597,966.42 = 11,178,027.67 : x - Step 2: Convert to fraction form
19,998,588.09/27,597,966.42 = 11,178,027.67/x - Step 3: Cross multiply
19,998,588.09x = 27,597,966.42 × 11,178,027.67 - Step 4: Simplify right side
19,998,588.09x = 308,490,832,278,490.88 - Step 5: Solve for x
x = 308,490,832,278,490.88/19,998,588.09 - Step 6: Final answer
x = 15,425,630.59
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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.