Finding the Fourth Proportional to 27,389,919.24, 37,799,227.80 and 15,166,776.24
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Solution
The fourth proportional to 27,389,919.24, 37,799,227.80 and 15,166,776.24 is: 20,930,782.05
Step by Step Solution
- Step 1: Write the proportion equation
27,389,919.24 : 37,799,227.80 = 15,166,776.24 : x - Step 2: Convert to fraction form
27,389,919.24/37,799,227.80 = 15,166,776.24/x - Step 3: Cross multiply
27,389,919.24x = 37,799,227.80 × 15,166,776.24 - Step 4: Simplify right side
27,389,919.24x = 573,292,430,087,387.38 - Step 5: Solve for x
x = 573,292,430,087,387.38/27,389,919.24 - Step 6: Final answer
x = 20,930,782.05
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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.