Finding the Fourth Proportional to 47,114,932.70, 70,619,911.05 and 18,351,508.70
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Solution
The fourth proportional to 47,114,932.70, 70,619,911.05 and 18,351,508.70 is: 27,506,818.70
Step by Step Solution
- Step 1: Write the proportion equation
47,114,932.70 : 70,619,911.05 = 18,351,508.70 : x - Step 2: Convert to fraction form
47,114,932.70/70,619,911.05 = 18,351,508.70/x - Step 3: Cross multiply
47,114,932.70x = 70,619,911.05 × 18,351,508.70 - Step 4: Simplify right side
47,114,932.70x = 1,295,981,912,027,301 - Step 5: Solve for x
x = 1,295,981,912,027,301/47,114,932.70 - Step 6: Final answer
x = 27,506,818.70
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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.