Finding the Fourth Proportional to 42,373,107.70, 63,560,252.06 and 12,080,970.70
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Solution
The fourth proportional to 42,373,107.70, 63,560,252.06 and 12,080,970.70 is: 18,121,624.41
Step by Step Solution
- Step 1: Write the proportion equation
42,373,107.70 : 63,560,252.06 = 12,080,970.70 : x - Step 2: Convert to fraction form
42,373,107.70/63,560,252.06 = 12,080,970.70/x - Step 3: Cross multiply
42,373,107.70x = 63,560,252.06 × 12,080,970.70 - Step 4: Simplify right side
42,373,107.70x = 767,869,542,821,474.62 - Step 5: Solve for x
x = 767,869,542,821,474.62/42,373,107.70 - Step 6: Final answer
x = 18,121,624.41
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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.