Finding the Fourth Proportional to 12,636,873.68, 18,951,694.68 and 4,117,954.64
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Solution
The fourth proportional to 12,636,873.68, 18,951,694.68 and 4,117,954.64 is: 6,175,753.67
Step by Step Solution
- Step 1: Write the proportion equation
12,636,873.68 : 18,951,694.68 = 4,117,954.64 : x - Step 2: Convert to fraction form
12,636,873.68/18,951,694.68 = 4,117,954.64/x - Step 3: Cross multiply
12,636,873.68x = 18,951,694.68 × 4,117,954.64 - Step 4: Simplify right side
12,636,873.68x = 78,042,219,043,369.31 - Step 5: Solve for x
x = 78,042,219,043,369.31/12,636,873.68 - Step 6: Final answer
x = 6,175,753.67
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.