Finding the Fourth Proportional to 22,703,365.85, 31,330,207.68 and 12,390,162.75
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Solution
The fourth proportional to 22,703,365.85, 31,330,207.68 and 12,390,162.75 is: 17,098,186.00
Step by Step Solution
- Step 1: Write the proportion equation
22,703,365.85 : 31,330,207.68 = 12,390,162.75 : x - Step 2: Convert to fraction form
22,703,365.85/31,330,207.68 = 12,390,162.75/x - Step 3: Cross multiply
22,703,365.85x = 31,330,207.68 × 12,390,162.75 - Step 4: Simplify right side
22,703,365.85x = 388,186,372,146,499.94 - Step 5: Solve for x
x = 388,186,372,146,499.94/22,703,365.85 - Step 6: Final answer
x = 17,098,186.00
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1.5x scale
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.