Finding the Fourth Proportional to 13,165,297.74, 19,740,846.15 and 5,972,907.20
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Solution
The fourth proportional to 13,165,297.74, 19,740,846.15 and 5,972,907.20 is: 8,956,139.42
Step by Step Solution
- Step 1: Write the proportion equation
13,165,297.74 : 19,740,846.15 = 5,972,907.20 : x - Step 2: Convert to fraction form
13,165,297.74/19,740,846.15 = 5,972,907.20/x - Step 3: Cross multiply
13,165,297.74x = 19,740,846.15 × 5,972,907.20 - Step 4: Simplify right side
13,165,297.74x = 117,910,242,004,723.05 - Step 5: Solve for x
x = 117,910,242,004,723.05/13,165,297.74 - Step 6: Final answer
x = 8,956,139.42
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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.