Finding the Fourth Proportional to 14,486,745.72, 19,990,539 and 8,375,567.88
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Solution
The fourth proportional to 14,486,745.72, 19,990,539 and 8,375,567.88 is: 11,557,607.18
Step by Step Solution
- Step 1: Write the proportion equation
14,486,745.72 : 19,990,539 = 8,375,567.88 : x - Step 2: Convert to fraction form
14,486,745.72/19,990,539 = 8,375,567.88/x - Step 3: Cross multiply
14,486,745.72x = 19,990,539 × 8,375,567.88 - Step 4: Simplify right side
14,486,745.72x = 167,432,116,352,287.31 - Step 5: Solve for x
x = 167,432,116,352,287.31/14,486,745.72 - Step 6: Final answer
x = 11,557,607.18
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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.