Finding the Fourth Proportional to 12,248,326.51, 18,369,749.62 and 3,610,584.12
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Solution
The fourth proportional to 12,248,326.51, 18,369,749.62 and 3,610,584.12 is: 5,415,068.44
Step by Step Solution
- Step 1: Write the proportion equation
12,248,326.51 : 18,369,749.62 = 3,610,584.12 : x - Step 2: Convert to fraction form
12,248,326.51/18,369,749.62 = 3,610,584.12/x - Step 3: Cross multiply
12,248,326.51x = 18,369,749.62 × 3,610,584.12 - Step 4: Simplify right side
12,248,326.51x = 66,325,526,266,348.04 - Step 5: Solve for x
x = 66,325,526,266,348.04/12,248,326.51 - Step 6: Final answer
x = 5,415,068.44
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.