Finding the Fourth Proportional to 38,489,926.98, 57,743,507.79 and 12,930,239.28
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Solution
The fourth proportional to 38,489,926.98, 57,743,507.79 and 12,930,239.28 is: 19,398,253.81
Step by Step Solution
- Step 1: Write the proportion equation
38,489,926.98 : 57,743,507.79 = 12,930,239.28 : x - Step 2: Convert to fraction form
38,489,926.98/57,743,507.79 = 12,930,239.28/x - Step 3: Cross multiply
38,489,926.98x = 57,743,507.79 × 12,930,239.28 - Step 4: Simplify right side
38,489,926.98x = 746,637,372,591,244 - Step 5: Solve for x
x = 746,637,372,591,244/38,489,926.98 - Step 6: Final answer
x = 19,398,253.81
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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.