Finding the Fourth Proportional to 27,508,289.99, 37,962,294.17 and 15,118,157.97
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Solution
The fourth proportional to 27,508,289.99, 37,962,294.17 and 15,118,157.97 is: 20,863,527.34
Step by Step Solution
- Step 1: Write the proportion equation
27,508,289.99 : 37,962,294.17 = 15,118,157.97 : x - Step 2: Convert to fraction form
27,508,289.99/37,962,294.17 = 15,118,157.97/x - Step 3: Cross multiply
27,508,289.99x = 37,962,294.17 × 15,118,157.97 - Step 4: Simplify right side
27,508,289.99x = 573,919,960,090,079.25 - Step 5: Solve for x
x = 573,919,960,090,079.25/27,508,289.99 - Step 6: Final answer
x = 20,863,527.34
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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.