Finding the Fourth Proportional to 36,173,246.40, 54,322,855.20 and 19,167,134.40
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Solution
The fourth proportional to 36,173,246.40, 54,322,855.20 and 19,167,134.40 is: 28,784,075.81
Step by Step Solution
- Step 1: Write the proportion equation
36,173,246.40 : 54,322,855.20 = 19,167,134.40 : x - Step 2: Convert to fraction form
36,173,246.40/54,322,855.20 = 19,167,134.40/x - Step 3: Cross multiply
36,173,246.40x = 54,322,855.20 × 19,167,134.40 - Step 4: Simplify right side
36,173,246.40x = 1,041,213,466,610,138.88 - Step 5: Solve for x
x = 1,041,213,466,610,138.88/36,173,246.40 - Step 6: Final answer
x = 28,784,075.81
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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.