Finding the Fourth Proportional to 18,105,159.68, 24,984,359.81 and 10,265,199.35
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Solution
The fourth proportional to 18,105,159.68, 24,984,359.81 and 10,265,199.35 is: 14,165,543.89
Step by Step Solution
- Step 1: Write the proportion equation
18,105,159.68 : 24,984,359.81 = 10,265,199.35 : x - Step 2: Convert to fraction form
18,105,159.68/24,984,359.81 = 10,265,199.35/x - Step 3: Cross multiply
18,105,159.68x = 24,984,359.81 × 10,265,199.35 - Step 4: Simplify right side
18,105,159.68x = 256,469,434,169,902 - Step 5: Solve for x
x = 256,469,434,169,902/18,105,159.68 - Step 6: Final answer
x = 14,165,543.89
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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.