Finding the Fourth Proportional to 11,317,209.66, 15,617,751.12 and 6,160,609.80
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Solution
The fourth proportional to 11,317,209.66, 15,617,751.12 and 6,160,609.80 is: 8,501,642.50
Step by Step Solution
- Step 1: Write the proportion equation
11,317,209.66 : 15,617,751.12 = 6,160,609.80 : x - Step 2: Convert to fraction form
11,317,209.66/15,617,751.12 = 6,160,609.80/x - Step 3: Cross multiply
11,317,209.66x = 15,617,751.12 × 6,160,609.80 - Step 4: Simplify right side
11,317,209.66x = 96,214,870,603,832.97 - Step 5: Solve for x
x = 96,214,870,603,832.97/11,317,209.66 - Step 6: Final answer
x = 8,501,642.50
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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.