Finding the Fourth Proportional to 7,386,692.16, 11,078,927.52 and 2,337,345.60
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Solution
The fourth proportional to 7,386,692.16, 11,078,927.52 and 2,337,345.60 is: 3,505,666.94
Step by Step Solution
- Step 1: Write the proportion equation
7,386,692.16 : 11,078,927.52 = 2,337,345.60 : x - Step 2: Convert to fraction form
7,386,692.16/11,078,927.52 = 2,337,345.60/x - Step 3: Cross multiply
7,386,692.16x = 11,078,927.52 × 2,337,345.60 - Step 4: Simplify right side
7,386,692.16x = 25,895,282,491,590.91 - Step 5: Solve for x
x = 25,895,282,491,590.91/7,386,692.16 - Step 6: Final answer
x = 3,505,666.94
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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.