Finding the Fourth Proportional to 5,338,012.16, 8,015,008.08 and 4,620,578.96
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Solution
The fourth proportional to 5,338,012.16, 8,015,008.08 and 4,620,578.96 is: 6,937,784.44
Step by Step Solution
- Step 1: Write the proportion equation
5,338,012.16 : 8,015,008.08 = 4,620,578.96 : x - Step 2: Convert to fraction form
5,338,012.16/8,015,008.08 = 4,620,578.96/x - Step 3: Cross multiply
5,338,012.16x = 8,015,008.08 × 4,620,578.96 - Step 4: Simplify right side
5,338,012.16x = 37,033,977,698,678 - Step 5: Solve for x
x = 37,033,977,698,678/5,338,012.16 - Step 6: Final answer
x = 6,937,784.44
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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.