Finding the Fourth Proportional to 18,346,857.70, 27,520,177.20 and 4,699,977.70
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Solution
The fourth proportional to 18,346,857.70, 27,520,177.20 and 4,699,977.70 is: 7,049,938.54
Step by Step Solution
- Step 1: Write the proportion equation
18,346,857.70 : 27,520,177.20 = 4,699,977.70 : x - Step 2: Convert to fraction form
18,346,857.70/27,520,177.20 = 4,699,977.70/x - Step 3: Cross multiply
18,346,857.70x = 27,520,177.20 × 4,699,977.70 - Step 4: Simplify right side
18,346,857.70x = 129,344,219,140,048.44 - Step 5: Solve for x
x = 129,344,219,140,048.44/18,346,857.70 - Step 6: Final answer
x = 7,049,938.54
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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.