Finding the Fourth Proportional to 19,812,207.42, 29,718,317.61 and 13,079,046.78
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Solution
The fourth proportional to 19,812,207.42, 29,718,317.61 and 13,079,046.78 is: 19,618,574.45
Step by Step Solution
- Step 1: Write the proportion equation
19,812,207.42 : 29,718,317.61 = 13,079,046.78 : x - Step 2: Convert to fraction form
19,812,207.42/29,718,317.61 = 13,079,046.78/x - Step 3: Cross multiply
19,812,207.42x = 29,718,317.61 × 13,079,046.78 - Step 4: Simplify right side
19,812,207.42x = 388,687,266,244,087.75 - Step 5: Solve for x
x = 388,687,266,244,087.75/19,812,207.42 - Step 6: Final answer
x = 19,618,574.45
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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.