Finding the Fourth Proportional to 18,943,297.98, 28,422,105.21 and 11,375,539.26
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Solution
The fourth proportional to 18,943,297.98, 28,422,105.21 and 11,375,539.26 is: 17,067,607.45
Step by Step Solution
- Step 1: Write the proportion equation
18,943,297.98 : 28,422,105.21 = 11,375,539.26 : x - Step 2: Convert to fraction form
18,943,297.98/28,422,105.21 = 11,375,539.26/x - Step 3: Cross multiply
18,943,297.98x = 28,422,105.21 × 11,375,539.26 - Step 4: Simplify right side
18,943,297.98x = 323,316,773,668,205.56 - Step 5: Solve for x
x = 323,316,773,668,205.56/18,943,297.98 - Step 6: Final answer
x = 17,067,607.45
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.