Finding the Fourth Proportional to 28,685,467.58, 43,040,907.81 and 15,035,369.94
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Solution
The fourth proportional to 28,685,467.58, 43,040,907.81 and 15,035,369.94 is: 22,559,714.94
Step by Step Solution
- Step 1: Write the proportion equation
28,685,467.58 : 43,040,907.81 = 15,035,369.94 : x - Step 2: Convert to fraction form
28,685,467.58/43,040,907.81 = 15,035,369.94/x - Step 3: Cross multiply
28,685,467.58x = 43,040,907.81 × 15,035,369.94 - Step 4: Simplify right side
28,685,467.58x = 647,135,971,476,785.25 - Step 5: Solve for x
x = 647,135,971,476,785.25/28,685,467.58 - Step 6: Final answer
x = 22,559,714.94
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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.