Finding the Fourth Proportional to 39,378,968.91, 59,068,453.64 and 10,625,104.53
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Solution
The fourth proportional to 39,378,968.91, 59,068,453.64 and 10,625,104.53 is: 15,937,656.87
Step by Step Solution
- Step 1: Write the proportion equation
39,378,968.91 : 59,068,453.64 = 10,625,104.53 : x - Step 2: Convert to fraction form
39,378,968.91/59,068,453.64 = 10,625,104.53/x - Step 3: Cross multiply
39,378,968.91x = 59,068,453.64 × 10,625,104.53 - Step 4: Simplify right side
39,378,968.91x = 627,608,494,297,333.38 - Step 5: Solve for x
x = 627,608,494,297,333.38/39,378,968.91 - Step 6: Final answer
x = 15,937,656.87
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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.