Finding the Fourth Proportional to 27,507,057.84, 37,960,649.92 and 15,117,590.44
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Solution
The fourth proportional to 27,507,057.84, 37,960,649.92 and 15,117,590.44 is: 20,862,774.99
Step by Step Solution
- Step 1: Write the proportion equation
27,507,057.84 : 37,960,649.92 = 15,117,590.44 : x - Step 2: Convert to fraction form
27,507,057.84/37,960,649.92 = 15,117,590.44/x - Step 3: Cross multiply
27,507,057.84x = 37,960,649.92 × 15,117,590.44 - Step 4: Simplify right side
27,507,057.84x = 573,873,558,326,778.75 - Step 5: Solve for x
x = 573,873,558,326,778.75/27,507,057.84 - Step 6: Final answer
x = 20,862,774.99
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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.