Finding the Fourth Proportional to 18,546,065.12, 27,799,463.35 and 6,238,311.80
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Solution
The fourth proportional to 18,546,065.12, 27,799,463.35 and 6,238,311.80 is: 9,350,863.32
Step by Step Solution
- Step 1: Write the proportion equation
18,546,065.12 : 27,799,463.35 = 6,238,311.80 : x - Step 2: Convert to fraction form
18,546,065.12/27,799,463.35 = 6,238,311.80/x - Step 3: Cross multiply
18,546,065.12x = 27,799,463.35 × 6,238,311.80 - Step 4: Simplify right side
18,546,065.12x = 173,421,720,118,773.09 - Step 5: Solve for x
x = 173,421,720,118,773.09/18,546,065.12 - Step 6: Final answer
x = 9,350,863.32
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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.