Finding the Fourth Proportional to 13,304,586.60, 19,956,879.90 and 4,786,237.80
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Solution
The fourth proportional to 13,304,586.60, 19,956,879.90 and 4,786,237.80 is: 7,179,356.70
Step by Step Solution
- Step 1: Write the proportion equation
13,304,586.60 : 19,956,879.90 = 4,786,237.80 : x - Step 2: Convert to fraction form
13,304,586.60/19,956,879.90 = 4,786,237.80/x - Step 3: Cross multiply
13,304,586.60x = 19,956,879.90 × 4,786,237.80 - Step 4: Simplify right side
13,304,586.60x = 95,518,372,947,440.20 - Step 5: Solve for x
x = 95,518,372,947,440.20/13,304,586.60 - Step 6: Final answer
x = 7,179,356.70
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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.