Finding the Fourth Proportional to 19,881,353.08, 27,436,431.81 and 11,179,449.57
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Solution
The fourth proportional to 19,881,353.08, 27,436,431.81 and 11,179,449.57 is: 15,427,732.94
Step by Step Solution
- Step 1: Write the proportion equation
19,881,353.08 : 27,436,431.81 = 11,179,449.57 : x - Step 2: Convert to fraction form
19,881,353.08/27,436,431.81 = 11,179,449.57/x - Step 3: Cross multiply
19,881,353.08x = 27,436,431.81 × 11,179,449.57 - Step 4: Simplify right side
19,881,353.08x = 306,724,205,773,937.50 - Step 5: Solve for x
x = 306,724,205,773,937.50/19,881,353.08 - Step 6: Final answer
x = 15,427,732.94
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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.