Finding the Fourth Proportional to 8,664,919.26, 11,957,714.55 and 4,991,809.02
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Solution
The fourth proportional to 8,664,919.26, 11,957,714.55 and 4,991,809.02 is: 6,888,769.02
Step by Step Solution
- Step 1: Write the proportion equation
8,664,919.26 : 11,957,714.55 = 4,991,809.02 : x - Step 2: Convert to fraction form
8,664,919.26/11,957,714.55 = 4,991,809.02/x - Step 3: Cross multiply
8,664,919.26x = 11,957,714.55 × 4,991,809.02 - Step 4: Simplify right side
8,664,919.26x = 59,690,627,349,275.24 - Step 5: Solve for x
x = 59,690,627,349,275.24/8,664,919.26 - Step 6: Final answer
x = 6,888,769.02
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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.