Finding the Fourth Proportional to 7,140,115.37, 9,850,925.93 and 4,563,282.62
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Solution
The fourth proportional to 7,140,115.37, 9,850,925.93 and 4,563,282.62 is: 6,295,774.89
Step by Step Solution
- Step 1: Write the proportion equation
7,140,115.37 : 9,850,925.93 = 4,563,282.62 : x - Step 2: Convert to fraction form
7,140,115.37/9,850,925.93 = 4,563,282.62/x - Step 3: Cross multiply
7,140,115.37x = 9,850,925.93 × 4,563,282.62 - Step 4: Simplify right side
7,140,115.37x = 44,952,559,015,205.30 - Step 5: Solve for x
x = 44,952,559,015,205.30/7,140,115.37 - Step 6: Final answer
x = 6,295,774.89
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.