Finding the Fourth Proportional to 12,257,546.68, 16,916,609.21 and 9,154,683.12
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Solution
The fourth proportional to 12,257,546.68, 16,916,609.21 and 9,154,683.12 is: 12,634,355.04
Step by Step Solution
- Step 1: Write the proportion equation
12,257,546.68 : 16,916,609.21 = 9,154,683.12 : x - Step 2: Convert to fraction form
12,257,546.68/16,916,609.21 = 9,154,683.12/x - Step 3: Cross multiply
12,257,546.68x = 16,916,609.21 × 9,154,683.12 - Step 4: Simplify right side
12,257,546.68x = 154,866,196,695,967.97 - Step 5: Solve for x
x = 154,866,196,695,967.97/12,257,546.68 - Step 6: Final answer
x = 12,634,355.04
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.