Finding the Fourth Proportional to 18,214,548.70, 27,353,315.85 and 9,711,492.70
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Solution
The fourth proportional to 18,214,548.70, 27,353,315.85 and 9,711,492.70 is: 14,584,030.14
Step by Step Solution
- Step 1: Write the proportion equation
18,214,548.70 : 27,353,315.85 = 9,711,492.70 : x - Step 2: Convert to fraction form
18,214,548.70/27,353,315.85 = 9,711,492.70/x - Step 3: Cross multiply
18,214,548.70x = 27,353,315.85 × 9,711,492.70 - Step 4: Simplify right side
18,214,548.70x = 265,641,527,198,069.28 - Step 5: Solve for x
x = 265,641,527,198,069.28/18,214,548.70 - Step 6: Final answer
x = 14,584,030.14
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.