Finding the Fourth Proportional to 18,455,660.63, 27,677,079.86 and 10,270,793.30
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Solution
The fourth proportional to 18,455,660.63, 27,677,079.86 and 10,270,793.30 is: 15,402,622.11
Step by Step Solution
- Step 1: Write the proportion equation
18,455,660.63 : 27,677,079.86 = 10,270,793.30 : x - Step 2: Convert to fraction form
18,455,660.63/27,677,079.86 = 10,270,793.30/x - Step 3: Cross multiply
18,455,660.63x = 27,677,079.86 × 10,270,793.30 - Step 4: Simplify right side
18,455,660.63x = 284,265,566,484,522.62 - Step 5: Solve for x
x = 284,265,566,484,522.62/18,455,660.63 - Step 6: Final answer
x = 15,402,622.11
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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.