Finding the Fourth Proportional to 36,700,135.20, 55,048,453.20 and 12,436,682.40
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Solution
The fourth proportional to 36,700,135.20, 55,048,453.20 and 12,436,682.40 is: 18,654,430.71
Step by Step Solution
- Step 1: Write the proportion equation
36,700,135.20 : 55,048,453.20 = 12,436,682.40 : x - Step 2: Convert to fraction form
36,700,135.20/55,048,453.20 = 12,436,682.40/x - Step 3: Cross multiply
36,700,135.20x = 55,048,453.20 × 12,436,682.40 - Step 4: Simplify right side
36,700,135.20x = 684,620,129,059,663.75 - Step 5: Solve for x
x = 684,620,129,059,663.75/36,700,135.20 - Step 6: Final answer
x = 18,654,430.71
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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.