Finding the Fourth Proportional to 48,861,412.42, 73,292,076.55 and 12,469,799.86
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Solution
The fourth proportional to 48,861,412.42, 73,292,076.55 and 12,469,799.86 is: 18,704,689.05
Step by Step Solution
- Step 1: Write the proportion equation
48,861,412.42 : 73,292,076.55 = 12,469,799.86 : x - Step 2: Convert to fraction form
48,861,412.42/73,292,076.55 = 12,469,799.86/x - Step 3: Cross multiply
48,861,412.42x = 73,292,076.55 × 12,469,799.86 - Step 4: Simplify right side
48,861,412.42x = 913,937,525,902,299.25 - Step 5: Solve for x
x = 913,937,525,902,299.25/48,861,412.42 - Step 6: Final answer
x = 18,704,689.05
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.