Finding the Fourth Proportional to 14,381,197.80, 21,568,686.30 and 6,294,157.80
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Solution
The fourth proportional to 14,381,197.80, 21,568,686.30 and 6,294,157.80 is: 9,439,875.38
Step by Step Solution
- Step 1: Write the proportion equation
14,381,197.80 : 21,568,686.30 = 6,294,157.80 : x - Step 2: Convert to fraction form
14,381,197.80/21,568,686.30 = 6,294,157.80/x - Step 3: Cross multiply
14,381,197.80x = 21,568,686.30 × 6,294,157.80 - Step 4: Simplify right side
14,381,197.80x = 135,756,715,110,898.14 - Step 5: Solve for x
x = 135,756,715,110,898.14/14,381,197.80 - Step 6: Final answer
x = 9,439,875.38
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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.