Finding the Fourth Proportional to 8,861,290.78, 12,228,278.94 and 4,887,719.44
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Solution
The fourth proportional to 8,861,290.78, 12,228,278.94 and 4,887,719.44 is: 6,744,886.06
Step by Step Solution
- Step 1: Write the proportion equation
8,861,290.78 : 12,228,278.94 = 4,887,719.44 : x - Step 2: Convert to fraction form
8,861,290.78/12,228,278.94 = 4,887,719.44/x - Step 3: Cross multiply
8,861,290.78x = 12,228,278.94 × 4,887,719.44 - Step 4: Simplify right side
8,861,290.78x = 59,768,396,692,780.59 - Step 5: Solve for x
x = 59,768,396,692,780.59/8,861,290.78 - Step 6: Final answer
x = 6,744,886.06
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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.