Finding the Fourth Proportional to 19,908,528.60, 27,459,100.92 and 15,013,956.99
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Solution
The fourth proportional to 19,908,528.60, 27,459,100.92 and 15,013,956.99 is: 20,708,198.40
Step by Step Solution
- Step 1: Write the proportion equation
19,908,528.60 : 27,459,100.92 = 15,013,956.99 : x - Step 2: Convert to fraction form
19,908,528.60/27,459,100.92 = 15,013,956.99/x - Step 3: Cross multiply
19,908,528.60x = 27,459,100.92 × 15,013,956.99 - Step 4: Simplify right side
19,908,528.60x = 412,269,760,196,949.44 - Step 5: Solve for x
x = 412,269,760,196,949.44/19,908,528.60 - Step 6: Final answer
x = 20,708,198.40
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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.