Finding the Fourth Proportional to 17,310,930.96, 25,968,758.82 and 7,211,190
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Solution
The fourth proportional to 17,310,930.96, 25,968,758.82 and 7,211,190 is: 10,817,769.09
Step by Step Solution
- Step 1: Write the proportion equation
17,310,930.96 : 25,968,758.82 = 7,211,190 : x - Step 2: Convert to fraction form
17,310,930.96/25,968,758.82 = 7,211,190/x - Step 3: Cross multiply
17,310,930.96x = 25,968,758.82 × 7,211,190 - Step 4: Simplify right side
17,310,930.96x = 187,265,653,915,195.81 - Step 5: Solve for x
x = 187,265,653,915,195.81/17,310,930.96 - Step 6: Final answer
x = 10,817,769.09
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1.5x scale
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.