Finding the Fourth Proportional to 13,138,847.10, 19,694,857.05 and 8,879,445.90
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Solution
The fourth proportional to 13,138,847.10, 19,694,857.05 and 8,879,445.90 is: 13,310,103.72
Step by Step Solution
- Step 1: Write the proportion equation
13,138,847.10 : 19,694,857.05 = 8,879,445.90 : x - Step 2: Convert to fraction form
13,138,847.10/19,694,857.05 = 8,879,445.90/x - Step 3: Cross multiply
13,138,847.10x = 19,694,857.05 × 8,879,445.90 - Step 4: Simplify right side
13,138,847.10x = 174,879,417,683,708.59 - Step 5: Solve for x
x = 174,879,417,683,708.59/13,138,847.10 - Step 6: Final answer
x = 13,310,103.72
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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.