Finding the Fourth Proportional to 11,538,327.12, 15,923,372.86 and 6,643,427.46
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Solution
The fourth proportional to 11,538,327.12, 15,923,372.86 and 6,643,427.46 is: 9,168,207.09
Step by Step Solution
- Step 1: Write the proportion equation
11,538,327.12 : 15,923,372.86 = 6,643,427.46 : x - Step 2: Convert to fraction form
11,538,327.12/15,923,372.86 = 6,643,427.46/x - Step 3: Cross multiply
11,538,327.12x = 15,923,372.86 × 6,643,427.46 - Step 4: Simplify right side
11,538,327.12x = 105,785,772,513,942.73 - Step 5: Solve for x
x = 105,785,772,513,942.73/11,538,327.12 - Step 6: Final answer
x = 9,168,207.09
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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.