Finding the Fourth Proportional to 19,137,919.91, 26,410,967.25 and 10,436,568.62
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Solution
The fourth proportional to 19,137,919.91, 26,410,967.25 and 10,436,568.62 is: 14,402,812.50
Step by Step Solution
- Step 1: Write the proportion equation
19,137,919.91 : 26,410,967.25 = 10,436,568.62 : x - Step 2: Convert to fraction form
19,137,919.91/26,410,967.25 = 10,436,568.62/x - Step 3: Cross multiply
19,137,919.91x = 26,410,967.25 × 10,436,568.62 - Step 4: Simplify right side
19,137,919.91x = 275,639,872,025,197.69 - Step 5: Solve for x
x = 275,639,872,025,197.69/19,137,919.91 - Step 6: Final answer
x = 14,402,812.50
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.