Finding the Fourth Proportional to 40,783,316.20, 56,286,351.12 and 24,486,841.96
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Solution
The fourth proportional to 40,783,316.20, 56,286,351.12 and 24,486,841.96 is: 33,795,068.99
Step by Step Solution
- Step 1: Write the proportion equation
40,783,316.20 : 56,286,351.12 = 24,486,841.96 : x - Step 2: Convert to fraction form
40,783,316.20/56,286,351.12 = 24,486,841.96/x - Step 3: Cross multiply
40,783,316.20x = 56,286,351.12 × 24,486,841.96 - Step 4: Simplify right side
40,783,316.20x = 1,378,274,984,331,618.75 - Step 5: Solve for x
x = 1,378,274,984,331,618.75/40,783,316.20 - Step 6: Final answer
x = 33,795,068.99
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.