Finding the Fourth Proportional to 27,210,434.88, 37,550,398.80 and 14,987,292.48
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Solution
The fourth proportional to 27,210,434.88, 37,550,398.80 and 14,987,292.48 is: 20,682,462.89
Step by Step Solution
- Step 1: Write the proportion equation
27,210,434.88 : 37,550,398.80 = 14,987,292.48 : x - Step 2: Convert to fraction form
27,210,434.88/37,550,398.80 = 14,987,292.48/x - Step 3: Cross multiply
27,210,434.88x = 37,550,398.80 × 14,987,292.48 - Step 4: Simplify right side
27,210,434.88x = 562,778,809,556,241 - Step 5: Solve for x
x = 562,778,809,556,241/27,210,434.88 - Step 6: Final answer
x = 20,682,462.89
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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.