Finding the Fourth Proportional to 57,489,326.74, 86,247,582.63 and 18,627,714.55
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Solution
The fourth proportional to 57,489,326.74, 86,247,582.63 and 18,627,714.55 is: 27,945,976.08
Step by Step Solution
- Step 1: Write the proportion equation
57,489,326.74 : 86,247,582.63 = 18,627,714.55 : x - Step 2: Convert to fraction form
57,489,326.74/86,247,582.63 = 18,627,714.55/x - Step 3: Cross multiply
57,489,326.74x = 86,247,582.63 × 18,627,714.55 - Step 4: Simplify right side
57,489,326.74x = 1,606,595,349,859,178.25 - Step 5: Solve for x
x = 1,606,595,349,859,178.25/57,489,326.74 - Step 6: Final answer
x = 27,945,976.08
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.