Finding the Fourth Proportional to 18,437,723.40, 27,673,315.65 and 9,346,145.70
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Solution
The fourth proportional to 18,437,723.40, 27,673,315.65 and 9,346,145.70 is: 14,027,699.32
Step by Step Solution
- Step 1: Write the proportion equation
18,437,723.40 : 27,673,315.65 = 9,346,145.70 : x - Step 2: Convert to fraction form
18,437,723.40/27,673,315.65 = 9,346,145.70/x - Step 3: Cross multiply
18,437,723.40x = 27,673,315.65 × 9,346,145.70 - Step 4: Simplify right side
18,437,723.40x = 258,638,840,066,990.16 - Step 5: Solve for x
x = 258,638,840,066,990.16/18,437,723.40 - Step 6: Final answer
x = 14,027,699.32
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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.