Finding the Fourth Proportional to 12,452,655.36, 17,185,091.68 and 7,225,268.82
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Solution
The fourth proportional to 12,452,655.36, 17,185,091.68 and 7,225,268.82 is: 9,971,118.89
Step by Step Solution
- Step 1: Write the proportion equation
12,452,655.36 : 17,185,091.68 = 7,225,268.82 : x - Step 2: Convert to fraction form
12,452,655.36/17,185,091.68 = 7,225,268.82/x - Step 3: Cross multiply
12,452,655.36x = 17,185,091.68 × 7,225,268.82 - Step 4: Simplify right side
12,452,655.36x = 124,166,907,127,308.14 - Step 5: Solve for x
x = 124,166,907,127,308.14/12,452,655.36 - Step 6: Final answer
x = 9,971,118.89
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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.