Finding the Fourth Proportional to 28,866,394.68, 43,313,818.44 and 13,514,723.88
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Solution
The fourth proportional to 28,866,394.68, 43,313,818.44 and 13,514,723.88 is: 20,278,746.37
Step by Step Solution
- Step 1: Write the proportion equation
28,866,394.68 : 43,313,818.44 = 13,514,723.88 : x - Step 2: Convert to fraction form
28,866,394.68/43,313,818.44 = 13,514,723.88/x - Step 3: Cross multiply
28,866,394.68x = 43,313,818.44 × 13,514,723.88 - Step 4: Simplify right side
28,866,394.68x = 585,374,296,293,305.75 - Step 5: Solve for x
x = 585,374,296,293,305.75/28,866,394.68 - Step 6: Final answer
x = 20,278,746.37
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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.