Finding the Fourth Proportional to 15,578,912.68, 23,368,377.66 and 10,192,088.68
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Solution
The fourth proportional to 15,578,912.68, 23,368,377.66 and 10,192,088.68 is: 15,288,138.67
Step by Step Solution
- Step 1: Write the proportion equation
15,578,912.68 : 23,368,377.66 = 10,192,088.68 : x - Step 2: Convert to fraction form
15,578,912.68/23,368,377.66 = 10,192,088.68/x - Step 3: Cross multiply
15,578,912.68x = 23,368,377.66 × 10,192,088.68 - Step 4: Simplify right side
15,578,912.68x = 238,172,577,418,450.88 - Step 5: Solve for x
x = 238,172,577,418,450.88/15,578,912.68 - Step 6: Final answer
x = 15,288,138.67
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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.