Finding the Fourth Proportional to 27,489,204.36, 37,930,550.40 and 15,887,848.14
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Solution
The fourth proportional to 27,489,204.36, 37,930,550.40 and 15,887,848.14 is: 21,922,599.75
Step by Step Solution
- Step 1: Write the proportion equation
27,489,204.36 : 37,930,550.40 = 15,887,848.14 : x - Step 2: Convert to fraction form
27,489,204.36/37,930,550.40 = 15,887,848.14/x - Step 3: Cross multiply
27,489,204.36x = 37,930,550.40 × 15,887,848.14 - Step 4: Simplify right side
27,489,204.36x = 602,634,824,621,816.25 - Step 5: Solve for x
x = 602,634,824,621,816.25/27,489,204.36 - Step 6: Final answer
x = 21,922,599.75
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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.