Finding the Fourth Proportional to 11,379,270.64, 15,703,386.67 and 6,222,632.19
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Solution
The fourth proportional to 11,379,270.64, 15,703,386.67 and 6,222,632.19 is: 8,587,228.70
Step by Step Solution
- Step 1: Write the proportion equation
11,379,270.64 : 15,703,386.67 = 6,222,632.19 : x - Step 2: Convert to fraction form
11,379,270.64/15,703,386.67 = 6,222,632.19/x - Step 3: Cross multiply
11,379,270.64x = 15,703,386.67 × 6,222,632.19 - Step 4: Simplify right side
11,379,270.64x = 97,716,399,384,758.91 - Step 5: Solve for x
x = 97,716,399,384,758.91/11,379,270.64 - Step 6: Final answer
x = 8,587,228.70
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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.