Finding the Fourth Proportional to 18,199,406.62, 27,246,131.74 and 9,542,980.04
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Solution
The fourth proportional to 18,199,406.62, 27,246,131.74 and 9,542,980.04 is: 14,286,690.59
Step by Step Solution
- Step 1: Write the proportion equation
18,199,406.62 : 27,246,131.74 = 9,542,980.04 : x - Step 2: Convert to fraction form
18,199,406.62/27,246,131.74 = 9,542,980.04/x - Step 3: Cross multiply
18,199,406.62x = 27,246,131.74 × 9,542,980.04 - Step 4: Simplify right side
18,199,406.62x = 260,009,291,362,030.44 - Step 5: Solve for x
x = 260,009,291,362,030.44/18,199,406.62 - Step 6: Final answer
x = 14,286,690.59
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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.