Finding the Fourth Proportional to 11,281,427.37, 15,568,218.98 and 6,386,524.07
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Solution
The fourth proportional to 11,281,427.37, 15,568,218.98 and 6,386,524.07 is: 8,813,317.84
Step by Step Solution
- Step 1: Write the proportion equation
11,281,427.37 : 15,568,218.98 = 6,386,524.07 : x - Step 2: Convert to fraction form
11,281,427.37/15,568,218.98 = 6,386,524.07/x - Step 3: Cross multiply
11,281,427.37x = 15,568,218.98 × 6,386,524.07 - Step 4: Simplify right side
11,281,427.37x = 99,426,805,133,027.14 - Step 5: Solve for x
x = 99,426,805,133,027.14/11,281,427.37 - Step 6: Final answer
x = 8,813,317.84
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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.