Finding the Fourth Proportional to 20,065,663.12, 30,106,470.24 and 6,420,911.84
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Solution
The fourth proportional to 20,065,663.12, 30,106,470.24 and 6,420,911.84 is: 9,633,919.90
Step by Step Solution
- Step 1: Write the proportion equation
20,065,663.12 : 30,106,470.24 = 6,420,911.84 : x - Step 2: Convert to fraction form
20,065,663.12/30,106,470.24 = 6,420,911.84/x - Step 3: Cross multiply
20,065,663.12x = 30,106,470.24 × 6,420,911.84 - Step 4: Simplify right side
20,065,663.12x = 193,310,991,224,623.62 - Step 5: Solve for x
x = 193,310,991,224,623.62/20,065,663.12 - Step 6: Final answer
x = 9,633,919.90
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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.