Finding the Fourth Proportional to 18,738,106.65, 28,107,159.98 and 18,738,106.65
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Solution
The fourth proportional to 18,738,106.65, 28,107,159.98 and 18,738,106.65 is: 28,107,159.98
Step by Step Solution
- Step 1: Write the proportion equation
18,738,106.65 : 28,107,159.98 = 18,738,106.65 : x - Step 2: Convert to fraction form
18,738,106.65/28,107,159.98 = 18,738,106.65/x - Step 3: Cross multiply
18,738,106.65x = 28,107,159.98 × 18,738,106.65 - Step 4: Simplify right side
18,738,106.65x = 526,674,961,240,161.31 - Step 5: Solve for x
x = 526,674,961,240,161.31/18,738,106.65 - Step 6: Final answer
x = 28,107,159.98
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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.