Finding the Fourth Proportional to 8,193,497.68, 12,290,837.01 and 3,144,808.18
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Solution
The fourth proportional to 8,193,497.68, 12,290,837.01 and 3,144,808.18 is: 4,717,438.91
Step by Step Solution
- Step 1: Write the proportion equation
8,193,497.68 : 12,290,837.01 = 3,144,808.18 : x - Step 2: Convert to fraction form
8,193,497.68/12,290,837.01 = 3,144,808.18/x - Step 3: Cross multiply
8,193,497.68x = 12,290,837.01 × 3,144,808.18 - Step 4: Simplify right side
8,193,497.68x = 38,652,324,768,094.74 - Step 5: Solve for x
x = 38,652,324,768,094.74/8,193,497.68 - Step 6: Final answer
x = 4,717,438.91
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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.