Finding the Fourth Proportional to 21,589,479.51, 32,351,266.08 and 12,818,486.23
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Solution
The fourth proportional to 21,589,479.51, 32,351,266.08 and 12,818,486.23 is: 19,208,163.79
Step by Step Solution
- Step 1: Write the proportion equation
21,589,479.51 : 32,351,266.08 = 12,818,486.23 : x - Step 2: Convert to fraction form
21,589,479.51/32,351,266.08 = 12,818,486.23/x - Step 3: Cross multiply
21,589,479.51x = 32,351,266.08 × 12,818,486.23 - Step 4: Simplify right side
21,589,479.51x = 414,694,258,705,453.62 - Step 5: Solve for x
x = 414,694,258,705,453.62/21,589,479.51 - Step 6: Final answer
x = 19,208,163.79
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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.