Finding the Fourth Proportional to 12,719,671.12, 17,551,551.88 and 8,598,668.68
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Solution
The fourth proportional to 12,719,671.12, 17,551,551.88 and 8,598,668.68 is: 11,865,085.03
Step by Step Solution
- Step 1: Write the proportion equation
12,719,671.12 : 17,551,551.88 = 8,598,668.68 : x - Step 2: Convert to fraction form
12,719,671.12/17,551,551.88 = 8,598,668.68/x - Step 3: Cross multiply
12,719,671.12x = 17,551,551.88 × 8,598,668.68 - Step 4: Simplify right side
12,719,671.12x = 150,919,979,435,951.09 - Step 5: Solve for x
x = 150,919,979,435,951.09/12,719,671.12 - Step 6: Final answer
x = 11,865,085.03
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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.