Finding the Fourth Proportional to 27,202,655.20, 40,803,982.80 and 10,161,113.80
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Solution
The fourth proportional to 27,202,655.20, 40,803,982.80 and 10,161,113.80 is: 15,241,670.70
Step by Step Solution
- Step 1: Write the proportion equation
27,202,655.20 : 40,803,982.80 = 10,161,113.80 : x - Step 2: Convert to fraction form
27,202,655.20/40,803,982.80 = 10,161,113.80/x - Step 3: Cross multiply
27,202,655.20x = 40,803,982.80 × 10,161,113.80 - Step 4: Simplify right side
27,202,655.20x = 414,613,912,724,042.62 - Step 5: Solve for x
x = 414,613,912,724,042.62/27,202,655.20 - Step 6: Final answer
x = 15,241,670.70
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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.