Finding the Fourth Proportional to 16,346,710.20, 24,521,231.70 and 4,987,140.60
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Solution
The fourth proportional to 16,346,710.20, 24,521,231.70 and 4,987,140.60 is: 7,481,066.75
Step by Step Solution
- Step 1: Write the proportion equation
16,346,710.20 : 24,521,231.70 = 4,987,140.60 : x - Step 2: Convert to fraction form
16,346,710.20/24,521,231.70 = 4,987,140.60/x - Step 3: Cross multiply
16,346,710.20x = 24,521,231.70 × 4,987,140.60 - Step 4: Simplify right side
16,346,710.20x = 122,290,830,173,077 - Step 5: Solve for x
x = 122,290,830,173,077/16,346,710.20 - Step 6: Final answer
x = 7,481,066.75
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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.