Finding the Fourth Proportional to 18,848,148.77, 28,256,030.70 and 6,550,514.31
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Solution
The fourth proportional to 18,848,148.77, 28,256,030.70 and 6,550,514.31 is: 9,820,143.92
Step by Step Solution
- Step 1: Write the proportion equation
18,848,148.77 : 28,256,030.70 = 6,550,514.31 : x - Step 2: Convert to fraction form
18,848,148.77/28,256,030.70 = 6,550,514.31/x - Step 3: Cross multiply
18,848,148.77x = 28,256,030.70 × 6,550,514.31 - Step 4: Simplify right side
18,848,148.77x = 185,091,533,444,149.31 - Step 5: Solve for x
x = 185,091,533,444,149.31/18,848,148.77 - Step 6: Final answer
x = 9,820,143.92
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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.