Finding the Fourth Proportional to 11,399,034.36, 15,730,549.32 and 6,171,952.56
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Solution
The fourth proportional to 11,399,034.36, 15,730,549.32 and 6,171,952.56 is: 8,517,230.59
Step by Step Solution
- Step 1: Write the proportion equation
11,399,034.36 : 15,730,549.32 = 6,171,952.56 : x - Step 2: Convert to fraction form
11,399,034.36/15,730,549.32 = 6,171,952.56/x - Step 3: Cross multiply
11,399,034.36x = 15,730,549.32 × 6,171,952.56 - Step 4: Simplify right side
11,399,034.36x = 97,088,204,145,780.25 - Step 5: Solve for x
x = 97,088,204,145,780.25/11,399,034.36 - Step 6: Final answer
x = 8,517,230.59
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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.