Finding the Fourth Proportional to 18,291,002.22, 27,436,515.21 and 4,645,171.98
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Solution
The fourth proportional to 18,291,002.22, 27,436,515.21 and 4,645,171.98 is: 6,967,760.99
Step by Step Solution
- Step 1: Write the proportion equation
18,291,002.22 : 27,436,515.21 = 4,645,171.98 : x - Step 2: Convert to fraction form
18,291,002.22/27,436,515.21 = 4,645,171.98/x - Step 3: Cross multiply
18,291,002.22x = 27,436,515.21 × 4,645,171.98 - Step 4: Simplify right side
18,291,002.22x = 127,447,331,682,335.83 - Step 5: Solve for x
x = 127,447,331,682,335.83/18,291,002.22 - Step 6: Final answer
x = 6,967,760.99
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1.5x scale
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.