Finding the Fourth Proportional to 15,621,759.74, 23,436,380.84 and 6,518,793.56
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Solution
The fourth proportional to 15,621,759.74, 23,436,380.84 and 6,518,793.56 is: 9,779,751.50
Step by Step Solution
- Step 1: Write the proportion equation
15,621,759.74 : 23,436,380.84 = 6,518,793.56 : x - Step 2: Convert to fraction form
15,621,759.74/23,436,380.84 = 6,518,793.56/x - Step 3: Cross multiply
15,621,759.74x = 23,436,380.84 × 6,518,793.56 - Step 4: Simplify right side
15,621,759.74x = 152,776,928,339,723.53 - Step 5: Solve for x
x = 152,776,928,339,723.53/15,621,759.74 - Step 6: Final answer
x = 9,779,751.50
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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.