Finding the Fourth Proportional to 12,077,827.18, 18,128,091.30 and 6,324,690.09
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Solution
The fourth proportional to 12,077,827.18, 18,128,091.30 and 6,324,690.09 is: 9,492,978.97
Step by Step Solution
- Step 1: Write the proportion equation
12,077,827.18 : 18,128,091.30 = 6,324,690.09 : x - Step 2: Convert to fraction form
12,077,827.18/18,128,091.30 = 6,324,690.09/x - Step 3: Cross multiply
12,077,827.18x = 18,128,091.30 × 6,324,690.09 - Step 4: Simplify right side
12,077,827.18x = 114,654,559,439,987.97 - Step 5: Solve for x
x = 114,654,559,439,987.97/12,077,827.18 - Step 6: Final answer
x = 9,492,978.97
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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.